What Evidence Do You Need for a Personal Injury Claim

Serious injuries deserve experienced attorneys

A claim is decided on the record that exists, not on what actually happened. Those two things overlap far less than most people expect. An insurer evaluating a file reads documents, and where documentation is thin, the gap is resolved against the claimant. Understanding which categories of proof matter, and which disappear on a schedule, is the difference between a well-supported claim and a disputed one.

Evidence That Establishes Fault

Fault evidence answers what happened and who was responsible.

• The police report, which in the District is the PD-10 traffic crash report
• Photographs of vehicle positions, damage, debris, roadway conditions, and sight lines
• Surveillance or dashboard camera footage
• Independent witness contact information and statements
• Vehicle event data recorder downloads
• Citations issued and the outcome of any traffic case

The PD-10 report may be requested from the Metropolitan Police Department by involved parties or their attorneys. It is a starting point rather than a verdict. Officers reconstruct events from statements taken minutes after a collision, and the narrative sometimes contains errors that need correcting through other proof. An officer’s conclusion about fault does not bind a jury, and police reports in accident claims are used mainly to fix the scene, the vehicles, and the statements recorded at the time.

Video is frequently the most persuasive category available. Private camera systems in commercial buildings often overwrite recordings within days, which is why dashboard camera footage should be downloaded and copied the same week rather than left on the device.

Evidence That Establishes Injury

Medical documentation carries the damages side of the claim. What matters is not only the diagnosis but the continuity of the record.

• Emergency department and ambulance records from the day of the incident
• Diagnostic imaging and the radiologist’s interpretation
• Treating physician notes describing limitations, not merely symptoms
• Physical therapy records showing progress or its absence
• Prescription histories
• A treating physician’s opinion on permanence and future care

Gaps in treatment are used to argue that the injury resolved or arose from something else. A claimant who stops attending appointments for six weeks will face that argument regardless of the reason for the absence.

Evidence That Establishes Financial Loss

Wage loss requires employer verification, pay records from before and after the incident, and where relevant, documentation of lost opportunities such as declined shifts or withdrawn promotions. Self-employed claimants need tax returns and business records covering a period long enough to establish a baseline. Household service losses, meaning tasks the claimant can no longer perform, are proven through testimony and sometimes through the cost of replacement help.

Records That Are Destroyed on a Schedule

Some of the strongest evidence has a fixed expiration. Federal regulation requires motor carriers to retain drivers’ records of duty status and supporting documents for not less than six months from the date of receipt, under 49 CFR 395.8(k)(1). A carrier that destroys logs on the seventh month has complied with the law, and a claim brought two years later may proceed without them.

Electronic control module data can be overwritten when a vehicle is returned to service or lost when it is salvaged. Preservation letters go out in the first days of a commercial vehicle case for exactly this reason, because black box data can be gone before counsel is retained. Skid marks, debris fields, and temporary hazards are gone within hours. Medical negligence claims depend on an entirely different set of materials, since evidence in malpractice cases is built from charts, orders, and nursing notes rather than from a scene.

Evidence Used Against Claimants

Because Washington, DC applies contributory negligence, defense investigation focuses heavily on claimant conduct. Social media activity is collected routinely, and a photograph posted without context can be presented as proof of capability the claimant does not have. Adjusting privacy settings afterward does not remove what has already been captured, which is the difficulty with social media after an accident.

Recorded statements, prior medical history, and inconsistencies between the account given to a treating physician and the account given to an adjuster all receive attention. In collision cases, the vehicle damage itself is examined for arguments about the forces involved.

Acting Within the Window

Preservation cannot be deferred until a filing deadline approaches. The three-year period set by the filing deadline governs when suit must be brought, not how long the proof will survive. Written preservation demands sent early impose an obligation on the holder of the evidence and create consequences if it is destroyed afterward.

Speak With a Washington, DC Personal Injury Attorney

Partner Kim Brooks-Rodney worked for the insurance industry for roughly two decades before turning to the representation of injured claimants. That experience shapes how the firm assembles a file, because the standard is not what seems sufficient but what an adjuster and defense counsel will actually test. Contact our attorneys while the evidence in your case still exists. Fees are contingent, and nothing is owed unless we recover.

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