What Evidence Wins Police Misconduct Cases in California?

What Evidence Wins Police Misconduct Cases?

The evidence that wins police misconduct cases is the evidence that contradicts the officer’s narrative – before it disappears. Body-worn camera footage, third-party surveillance video, 911 calls, medical records, independent witness testimony, and officer personnel records obtained through Pitchess motions are the most powerful tools. All of it is time-sensitive. Body camera footage can be overwritten in 30 to 90 days. Third-party video in 7 to 30 days. The attorney who wins these cases is the attorney who preserves the evidence before it is gone.

Free case evaluation: (949) 474-1849  |  Available 24 hours  |  jerry@steeringlaw.com

Cases Are Not Won in the Courtroom – They Are Won in the Evidence

In my forty years of practicing civil rights law, I have learned one immutable truth: Cases are not won in the courtroom. They are won in the evidence.

Jurors want to believe police officers. Officers are trained witnesses. They have the badge, the uniform, and the presumption of credibility. They write the first report. They control the initial narrative. And they know – because they are trained – how to describe a use-of-force incident in language that sounds reasonable even when the underlying conduct was not.

To overcome that advantage, you need evidence – powerful, objective, irrefutable evidence that tells the jury what really happened. Not what the officer’s report says happened. What actually happened.

But not all evidence is created equal. Some evidence wins cases. Some merely fills space. And the worst outcome of all – the one I have watched happen to too many clients – is watching critical evidence disappear because no one acted quickly enough to preserve it.

Here is what every victim of police misconduct in Southern California needs to know about the evidence that wins cases, how to preserve each type before it is gone, and why the first 72 hours after an incident are the most important hours of your case. For the complete immediate action guide, see our step-by-step guide.

“The attorney who wins police misconduct cases is not necessarialy the most eloquent one in court. It is the one who got to the evidence first.”

The Complete Evidence Reference – All 10 Types at a Glance

Before walking through each evidence type in detail, here is the complete reference table. Every one of these categories is time-sensitive. Every one has a preservation window that closes faster than most people realize.

Evidence type	What it proves	How to preserve it	Key notes
Body-worn camera footage	What the officer saw and heard; sequence of events; use of force in real time	Send spoliation letter same day retained; request preservation before 30-90 day deletion window closes	Pitfalls: activation gaps, blind spots, officers narrate after reviewing footage
Dashcam footage	Officer’s vehicle approach; pre-encounter conduct; pursuit footage	Same spoliation letter; dashcam footage often has shorter retention window than BWC	May capture what BWC misses – especially during vehicle stops
Third-party surveillance video	Objective wide-angle view; full scene context; what happened before/after officer arrived	Contact business or homeowner in person within 24-72 hours; most systems overwrite in 7-30 days	Ring, Nest, bank ATMs, gas stations, traffic cams – each has different retention
911 calls and dispatch logs	What was reported before officers arrived; what officers were told; dispatcher characterization	Request through CPRA immediately; audio and CAD records may be destroyed on routine schedules	Often contradicts what officers claim they were responding to
Medical records	Nature and severity of injuries; date/time link to incident; contradicts officer’s account	Seek care immediately; tell every provider exactly how injuries occurred	Delay in seeking care weakens the link – go same day
Witness testimony	Corroborates your account; explains context officers omit; can identify officers	Get names and contact info at scene; interview within days while memory is fresh	Independent witnesses (no stake in outcome) are most credible with juries
Photographs	Injury documentation; scene; property damage	Photograph injuries same day, 24 hrs., 48 hrs. – bruising peaks after incident	Date/time metadata on phone photos is evidence; do not edit or filter
911 CAD records	Dispatcher’s real-time notes; officer radio transmissions; backup call times	Include in spoliation letter; request through CPRA	Often reveals timeline inconsistencies in officer reports
Officer personnel records	Prior complaints of excessive force, dishonesty, fabrication	File Pitchess motion in criminal case or civil discovery in civil case	Pattern of prior complaints = Monell claim against department
Police reports	Officer’s version for impeachment; identifies charges and theories	Obtain immediately through public records or discovery request	Written to protect officer – compare against every other piece of evidence

The Ten Types of Evidence That Win Police Misconduct Cases

1	Body-Worn Camera Footage

Body-worn cameras were supposed to revolutionize police accountability. In many ways they have – BWC footage provides the closest thing to an objective record of encounters that once lived only in conflicting testimony. I have used BWC footage to win cases that I would have been hard-pressed to win twenty years ago.

But I want to be honest about something that many attorneys are not: body cameras do not always tell the truth. And officers know this.

• Officers control activation. Many departments allow officers to activate their cameras after an encounter has already begun – or have inconsistent policies about when activation is required. A camera that turns on after force has been used tells a very incomplete story. In my experience, the timing of camera activation is one of the first things I examine when reviewing evidence.
• Cameras have blind spots. Body cameras are worn on the chest and capture a forward-facing field of view. What happens to the left, to the right, behind the officer, or on the ground after a subject is taken down is often outside the frame. The most significant use of force – the blows after the subject stopped moving – frequently occurs exactly where the camera cannot see.
• Officers narrate to the camera. Experienced officers know they are being recorded. The narration that accompanies force – ‘Stop resisting! Stop fighting!’ – is often delivered for the recording, not because the subject is actually resisting. I have reviewed footage in which an officer shouts ‘stop resisting’ to a subject who is motionless on the ground. The shout is for the jury, not for the subject.
• Reports are written after officers review footage. In many departments, officers are permitted to review their own body camera footage before writing their use-of-force report. This means the written narrative is constructed with knowledge of what the camera captured – and tailored around it. The report does not precede the footage; it follows it.

How to Preserve BWC Footage Body-worn camera footage is subject to automatic deletion policies that vary by department – typically 30 to 90 days for non-flagged footage, longer for footage flagged as evidence.   A spoliation letter must be sent immediately – the same day an attorney is retained. This formal written demand notifies the department to suspend normal deletion schedules and preserve all footage related to the incident. Under Federal Rule of Civil Procedure 37 and California Evidence Code Section 413, destruction of evidence after receiving proper notice can result in adverse inference instructions – the jury is told it may presume the destroyed evidence would have been unfavorable to the defendant.   Our firm sends spoliation letters the day we are retained. Every case, every time.

2	Dashcam Footage

Patrol vehicle dashcams often capture what body cameras miss – particularly during traffic stops and vehicle pursuits. The dashcam records the officer’s approach, the initial interaction, and the scene before the officer’s body camera may have been activated. In traffic stop cases, dashcam footage frequently shows whether the driver complied, what the officer’s demeanor was before force was used, and how events unfolded before the official version of events begins.

Dashcam retention policies are often shorter than BWC retention – in some departments, dashcam footage is overwritten faster than body camera footage. The spoliation letter must demand preservation of both.

3	Third-Party Surveillance Video

Body cameras capture one angle. Third-party surveillance cameras – from businesses, homeowners, and infrastructure – capture the rest. In many of my cases, the piece of evidence that made the difference was not the officer’s own camera but a Ring doorbell camera across the street or a gas station security camera down the block.

Third-party video is often the most powerful evidence in police misconduct cases precisely because it was captured by a source with no stake in the outcome. The officer cannot claim the camera was positioned to make him look bad. The footage shows what happened from a neutral, wide-angle perspective.

• Businesses: Gas stations, banks, ATMs, pharmacies, restaurants, convenience stores, and retail shops routinely have exterior cameras. Many capture the street in front of their property continuously.
• Residential cameras: Ring, Nest, Arlo, and similar doorbell and security cameras are now ubiquitous. Neighbors within a block of the incident may have captured everything.
• Traffic and transit: Red-light cameras, traffic monitoring cameras, and public transit cameras (bus route cameras, train station cameras) may cover the area.
• Government buildings: City halls, courthouses, DMV offices, and other government facilities often have exterior security cameras covering public sidewalks and streets.

Third-Party Video Disappears in 7 to 30 Days Unlike police departments, private businesses have no legal obligation to preserve footage unless they receive formal notice. Most commercial security systems overwrite footage automatically after 7 to 30 days.   Go in person within 24 to 72 hours of the incident. Do not call – call and they forget. Go in person, ask to speak with a manager, explain that you need the footage preserved, and follow up in writing immediately. Your attorney should simultaneously send a formal preservation letter.   Once the footage is overwritten, it is gone permanently. There is no recovery.

4	911 Calls and CAD Records

911 calls are among the most underutilized evidence in police misconduct cases – and among the most revealing. They capture what was actually reported before officers arrived on scene, before any narrative was constructed.

Here is why 911 calls matter: the call establishes what officers were told they were responding to. In Contempt of Cop cases, the 911 call often reveals that the reported situation was minor – a noise complaint, a neighbor dispute, a wellness check – and the officer’s subsequent use of force was wildly disproportionate to what was actually described. In domestic disturbance cases, the call may reveal that the person who ended up arrested was the one who called for help.

• 911 audio recordings: The caller’s actual words, in real time, before any narrative has been constructed. Captures what was described and what was not.
• Computer-Aided Dispatch (CAD) records: The dispatcher’s real-time notes of the call; what was communicated to officers before they arrived; backup requests; timeline of officer responses.
• Radio transmissions: What officers said to each other and to dispatch during and after the incident. Often reveals information about what they knew, when they knew it, and what actually happened.

These records are maintained by the agency and are subject to routine destruction schedules. They must be included in the spoliation letter sent to the department.

5	Medical Records

In excessive force cases, your injuries are not just damages – they are evidence. Medical records create an objective, contemporaneous account of what was done to you, dated and time-stamped on the day it happened.

I have seen police reports that describe a use-of-force incident in which the officer allegedly used minimal, necessary force – and then the emergency room records show broken ribs, facial lacerations, and traumatic brain injury. Medical records do not lie. Officers do.

• What medical records prove: The nature and severity of injuries; that injuries occurred at the specific date and time; the level of force actually applied (broken bones, deep bruising, taser burns, ligature marks from handcuffs); ongoing pain and treatment needs.
• They contradict fabricated police narratives: In case after case – including cases I have handled in Los Angeles County, Orange County, and Riverside County – medical records showing injuries inconsistent with the officer’s account of minimal force have been decisive evidence.
• They establish the foundation for damages: Without medical records, proving significant physical injury becomes nearly impossible. Courts have recognized that the absence of contemporaneous medical records limits the damages available to plaintiffs in excessive force cases.

The Critical Rule: Go the Same Day Seek medical attention immediately – the same day as the incident. Not tomorrow. Not when you feel better. That day.   Tell every provider exactly how you were injured – ‘I was struck by a police officer during an arrest.’ Do not minimize. Every symptom you report – headache, dizziness, pain, difficulty breathing – should be in the record.   Do not tell the treating physician ‘I’m fine’ or ‘it’s not that bad.’ That statement goes in your medical record and will be used by defense counsel at trial.   Photograph injuries immediately, then again at 24 hours and 48 hours. Bruising typically darkens and spreads significantly in the first two days after blunt force trauma.

6	Witness Testimony

Video shows what happened. Witnesses explain what it meant. Together, they create a complete picture that no single piece of evidence can provide alone.

Independent witnesses – bystanders with no relationship to either party and no stake in the outcome – are among the most credible evidence in police misconduct cases. Jurors understand that a stranger who stopped to watch and is willing to testify has nothing to gain from lying.

• What witnesses can describe: The officer’s demeanor and language before force was used; the duration of force; conduct that occurred outside camera frames; officer statements that were not captured on audio; the reaction of the subject – whether they were complying or actually resisting.
• Why they are difficult to secure: People leave scenes. Fear of retaliation keeps some witnesses silent. Memories fade rapidly – what someone can recall in vivid detail on day one becomes fragmented by day ten. The witness you need most is the one who was ready to talk right after it happened.

Get names and contact information at the scene if you safely can. Ask if they would be willing to speak with an attorney. If they recorded the incident on their phone, ask them not to delete it and to send it to a secure location. Your attorney’s investigator should follow up within days – not weeks.

7	Photographs

Photographs are evidence that is completely within your control – and they cost nothing to create. Take them immediately. Take them again the next day and the day after.

• Injuries: Photograph every bruise, laceration, abrasion, taser burn, handcuff mark, and swelling immediately after the incident. Then photograph again at 24 and 48 hours. Bruising from blunt force trauma typically peaks 24 to 48 hours after impact – the photographs from day one will look different from the photographs from day two, and both are evidence.
• The location: Photograph the scene, including street signs, landmarks, and any fixed objects relevant to the incident. This establishes geography that can be important in reconstructing events.
• Property damage: Torn clothing, damaged personal property, broken items – all of this is evidence of force and of damages.

The date and time metadata embedded in smartphone photos is evidence. Do not edit, filter, or enhance photographs of injuries. The original, unaltered image is what you want in court.

8	Pitchess Motions – Officer Personnel Records

A Pitchess motion – from Pitchess v. Superior Court (1974) – allows defense counsel in a criminal case (and civil discovery in a Section 1983 lawsuit) to petition the court for access to a police officer’s personnel file, specifically to review prior complaints of dishonesty, excessive force, fabrication of evidence, and similar misconduct.

In my forty years of police misconduct litigation, Pitchess motions have been some of the most powerful tools available. An officer who has filed false resistance charges before – and has complaints substantiated or documented – has their credibility destroyed in front of the jury. Their prior conduct becomes the foundation for a Monell claim against the department: the city or county knew about this officer’s propensity and failed to address it.

• What Pitchess motions reveal: Prior citizen complaints of excessive force; complaints of dishonesty or filing false reports; prior disciplinary findings; the officer’s history with resistance charges; Brady list designations (officers who have been found to have credibility issues).
• The Monell connection: A pattern of prior complaints against the same officer, combined with evidence that the department received those complaints and failed to act, supports a Monell claim – a direct lawsuit against the city or county itself. Cities and counties have assets. Individual officers often do not.

I have written a detailed breakdown of Pitchess motions and the related Brady list process at steeringlaw.com. This is evidence that is only available through the legal process – another reason why retaining counsel early matters.

9	Police Reports

Police reports are evidence – but not the kind of evidence that helps you. They are the officer’s version of events, written after the fact, with knowledge of what needs to be justified. They are designed to make the officer’s conduct look reasonable.

What they are useful for is impeachment. Every inconsistency between the police report and the video evidence, the medical records, the witness testimony, or the 911 call is an opportunity to expose the officer as either incompetent or dishonest. In my experience, most police reports in misconduct cases contain multiple factual claims that other evidence directly contradicts.

• Obtain them immediately: Through public records requests (CPRA) or civil discovery. The sooner you have the report, the sooner you can compare it against every other piece of evidence.
• Compare systematically: The report says the subject ‘tensed his arms and actively resisted.’ The medical records show no defensive injuries consistent with a struggle. The BWC footage shows the subject with hands at his sides when force was applied. The inconsistency is the case.
• Preserve internal supplemental reports: Use-of-force reports, supervisor reviews, and internal memos generated after the incident should all be in the spoliation letter. These internal documents often reveal what the department actually knew, as opposed to what the public report claims.

10	Expert Witnesses

Complex police misconduct cases require expert witnesses – and expert witnesses require time. The earlier you retain counsel, the earlier an expert can begin reviewing the evidence, developing opinions, and preparing reports.

• Use-of-force experts: Former law enforcement commanders with expertise in police training standards. They testify that the force used was inconsistent with what the officer’s own training required – turning the department’s own standards against the department.
• Medical experts: Physicians and forensic pathologists who can explain what the injuries prove about the force that caused them, connect the medical findings to the specific conduct alleged, and project future medical needs for damages purposes.
• Police procedure experts: Specialists in department policy, training standards, and the duty to de-escalate. They explain what a properly trained officer would have done differently – and why the failure to follow proper procedure was itself the cause of the harm.

Rushed expert work is weak expert work. Experts who have had months to review evidence, develop opinions, and prepare reports are far more effective than experts retained the week before the expert disclosure deadline.

The Spoliation Letter – The Most Important Document Your Attorney Files on Day One

Of all the actions an attorney can take immediately after being retained in a police misconduct case, sending the spoliation letter is the most important. It is not glamorous. It does not require litigation skill or constitutional knowledge. But it is what determines whether the evidence exists by the time the case goes to trial.

A properly drafted spoliation letter notifies every potential evidence holder – the police department, the city attorney, the relevant agencies – that litigation is anticipated and that all related evidence must be preserved. Under Federal Rule of Civil Procedure 37(e) and California Evidence Code Section 413, when a party destroys evidence after receiving proper notice of anticipated litigation, courts can impose sanctions ranging from adverse inference instructions to case-ending penalties.

What the Spoliation Letter Must Cover 1. Identify the incident specifically: Date, time, location, officers involved by name and badge number where known.   2. List every category of evidence to preserve: BWC footage from all officers on scene; dashcam footage; radio transmissions; 911 calls; CAD records; all police reports (initial, supplemental, use-of-force); Internal Affairs records; booking photos; jail medical records if applicable; any evidence submitted to or reviewed by any department.   3. Identify potential third-party holders: If businesses with security cameras are identifiable, letters should go to them as well.   4. State the legal consequences of destruction: Courts may instruct juries that destroyed evidence is presumed to have been unfavorable to the destroying party. This presumption – the adverse inference – is one of the most powerful tools in police misconduct litigation.   Our firm sends spoliation letters the same day we are retained. We do not wait for the intake process to complete, for a retainer to be signed, or for a case evaluation to be finished. The letter goes out that day.

When defendants destroy evidence after receiving a preservation demand, we move for spoliation sanctions. These motions put enormous pressure on departments to settle – because an adverse inference instruction from the judge, telling the jury that the department destroyed evidence it had been ordered to keep, is often more damaging than the underlying evidence would have been.

Has Evidence in Your Police Misconduct Case Already Started Disappearing? (949) 474-1849 – Available 24 Hours a Day Free Case Evaluation – No Fee Unless We Recover jerry@steeringlaw.com  |  steeringlaw.com/free-case-evaluation Law Offices of Jerry L. Steering  |  4063 Birch Street, Suite 100  |  Newport Beach, CA 92660 Suing the Police in Southern California Since 1984

Why the First 72 Hours Determine Whether the Evidence Exists

Police departments are sophisticated defendants. From the moment an incident occurs, their legal machinery is in motion – officers writing reports, supervisors reviewing footage, attorneys preparing to defend. The sooner you have legal representation, the sooner someone is working on your side of the equation.

Here is what happens to evidence in the first weeks after an incident:

• Day 1-3: Third-party surveillance footage is at highest risk of being overwritten. A Ring doorbell system may overwrite in as little as 7 days. A gas station security system may have already started a new recording cycle.
• Day 30-90: Body-worn camera footage that has not been flagged for preservation may be subject to automatic deletion depending on department retention policy. Without a spoliation letter, this footage disappears on a schedule that no court can undo.
• Ongoing: Witnesses become harder to locate. Memories degrade. Medical records become less contemporaneous. The credibility of every piece of evidence weakens with time.
• Six months: The California Government Code Section 911.2 deadline for filing a government tort claim. Miss this and your state law claims are barred forever – regardless of how strong the evidence is.

The difference between a case that results in a significant recovery and a case that gets dismissed is often simply this: who got to the evidence first.

The Six-Month Government Claim Deadline Before filing a civil lawsuit against a California city, county, or other public entity for police misconduct, you must file a government tort claim under California Government Code Section 911.2 within six months of the incident.   Miss this deadline and your state law claims are permanently barred. No exceptions. No judicial discretion. This deadline has ended more viable police misconduct cases than any evidence problem or immunity defense.   The clock starts on the day of the incident. Contact a civil rights attorney immediately – not after the criminal case resolves, not after you decide you want to sue. Now.

What to Do Immediately – The Evidence Preservation Checklist

For the complete guide to the first 72 hours after police misconduct, see our step-by-step guide. Here is the evidence-focused immediate action checklist:

• Seek medical attention the same day. Tell every provider exactly what happened and how you were injured. Request copies of all records – intake forms, nurse notes, physician notes, discharge instructions.
• Photograph injuries now, and again in 24 and 48 hours. Both sets of photographs will be evidence. Bruising peaks after the first day.
• Get witness names and contact information at the scene. If someone saw it happen, get their information immediately. Ask if they would be willing to speak with an attorney.
• Identify nearby security cameras before you leave the scene. Note every business, residence, and infrastructure camera that might have captured the incident. Your attorney needs this list within hours.
• Preserve your own recordings. If you recorded the incident, back it up to cloud storage immediately. Do not edit or filter. Do not post to social media.
• Save everything you were wearing or carrying. Torn clothing, damaged property, any physical objects from the incident. Do not wash or alter them.
• Write down everything while it is fresh. Officer names, badge numbers, unit numbers, exact words spoken, the sequence of events. Do it within hours.
• Call a civil rights attorney immediately. The spoliation letter goes out the day we are retained. Every day you wait is a day more evidence slips away.

Where We Handle Police Misconduct Cases

My firm investigates and litigates police misconduct cases – with an immediate focus on evidence preservation – throughout Southern California: Los Angeles County, Orange County, Riverside County, San Bernardino County, San Diego County, Ventura County, and Kern County. See our case results for what these cases look like when the evidence is secured and the case is pursued to conclusion.

Results include a $2.9 million settlement against the City of Anaheim, a $1.3 million settlement against Riverside County, an $800,000 jury verdict against the City of Garden Grove, and a $900,000 settlement against the City of Fontana – all cases where early evidence preservation was essential to the outcome.

Frequently Asked Questions – Evidence in Police Misconduct Cases

Police Misconduct Cases Are Battles of Evidence – Win the Evidence War

Police misconduct cases are battles of evidence. The side with the best evidence – the clearest video, the most credible witnesses, the most compelling medical records, the officer’s documented history of prior misconduct – usually wins.

But evidence is fragile. It disappears. It gets overwritten. It walks away. Witnesses lose their willingness to testify. Memories fade into generalities. The difference between a winning case and a dismissed case is often simply this: who got to the evidence first.

In forty years of civil rights litigation in Southern California, I have seen strong cases lost to missed evidence and weak cases won because an attorney moved immediately. The evidence does not wait for you to decide whether you want to pursue it.

Fight back. Vindication is the goal.

Call for a Free Case Evaluation – Available 24 Hours (949) 474-1849 jerry@steeringlaw.com  |  steeringlaw.com/free-case-evaluation Law Offices of Jerry L. Steering 4063 Birch Street, Suite 100, Newport Beach, CA 92660 Suing the Police in Southern California Since 1984

About the Author – Jerry L. Steering

Jerry L. Steering is a civil rights attorney and police misconduct specialist who has been suing the police in California since 1984. His practice covers excessive force, false arrest, malicious prosecution, First Amendment retaliation, and Section 1983 civil rights violations throughout Southern California. He has litigated cases in federal and state courts throughout Los Angeles County, Orange County, Riverside County, San Bernardino County, San Diego County, and the rest of Southern California. Notable results include a $2.9 million settlement against the City of Anaheim, a $1.3 million settlement against Riverside County, a $900,000 settlement against the City of Fontana, and an $800,000 jury verdict against Garden Grove. He has appeared on NBC Dateline with Lester Holt and ABC Good Morning America with Diane Sawyer. View Attorney Profile

Law Offices of Jerry L. Steering  |  4063 Birch Street, Suite 100, Newport Beach, CA 92660  |  (949) 474-1849  |  Available 24 Hours  |  jerry@steeringlaw.com

Legal citations and primary sources:

• Federal Rule of Civil Procedure 37(e) – Failure to preserve electronically stored information  |  law.cornell.edu
• California Evidence Code Section 413 – Adverse inference from destruction of evidence  |  leginfo.legislature.ca.gov
• 42 U.S.C. Section 1983 – Federal civil rights statute  |  law.cornell.edu
• California Government Code Section 911.2 – Six-month government tort claim deadline  |  leginfo.legislature.ca.gov
• California Government Code Sections 832.7-832.8 – Body camera footage disclosure  |  leginfo.legislature.ca.gov