This article is general legal information, not legal advice. Personal injury law varies significantly from state to state, and every case turns on its own facts. Nothing here creates an attorney-client relationship, and no outcome is promised or implied. Consult a licensed attorney in your state before making decisions about your claim.
A personal injury claim is decided on evidence, not on how much you were hurt. Those two things overlap, but they are not the same, and the difference explains why two people with identical injuries can end up with very different results. One documented what happened. The other assumed the truth would speak for itself.
Evidence also has a shelf life. Footage overwrites. Skid marks wash away. Witnesses move. Memory blurs within weeks. The window for preserving proof is far shorter than most injured people realize, and much of it closes before anyone has thought about hiring a lawyer.
Here is what to document, when, and why each item carries weight with an adjuster or a jury.
Scene Evidence: The First Hour
If you are physically able — and only if you are — the scene will never again look the way it does in the minutes after an incident.
What to photograph
- Wide establishing shots from multiple angles showing the whole scene, positions of vehicles or objects, and the surrounding layout.
- Close-ups of damage on every vehicle or object involved, including undamaged areas, which can rebut later claims about impact severity.
- Traffic controls and signage — signals, stop signs, lane markings, speed limits, and anything obscured by foliage or parked vehicles.
- Road and ground conditions — debris fields, skid marks, fluid trails, potholes, ice, water.
- Lighting conditions as they actually were, including burned-out fixtures.
- The hazard itself in a premises case — the spill, the broken tread, the missing handrail — before it is cleaned or repaired. This one is urgent. Property owners fix hazards within hours, and the fix is often the end of the proof.
- Sight lines from the position of each party, showing what could and could not be seen.
Photograph more than you think you need. Storage is free. A second visit is not, and the scene will have changed.
Information to collect
- Names, phone numbers, and email addresses for every witness — independent witnesses matter far more than passengers.
- The other party’s name, contact details, insurer, policy number, and license information.
- For commercial vehicles: the company name, USDOT number, trailer number, and any placards.
- The responding agency, officer name and badge, and the report number.
- Business names of nearby stores, gas stations, or homes with visible cameras.
- The exact time, and weather conditions as observed.
That fifth item is doing more work than it appears. Which brings us to the most time-sensitive category of evidence in this field.
The Surveillance Footage Overwrite Window
Most commercial video systems record on a loop and overwrite themselves automatically. Nobody deletes anything maliciously; the hardware simply runs out of space and starts again.
| Camera source | Typical retention | Practical note |
|---|---|---|
| Small retail or restaurant systems | Often days to a few weeks | The most commonly lost footage; ask the same day if possible |
| Gas stations and convenience stores | Commonly a few weeks | Frequently captures roadway views the owner does not realize |
| Large retail chains | Varies; often longer, but request routing is slow | Requests usually must go to a corporate risk department |
| Municipal traffic cameras | Highly variable; some are not recorded at all | Requires a public records request; act immediately |
| Residential doorbell cameras | Often very short without a paid plan | Homeowners frequently cooperate if asked politely and quickly |
| Commercial vehicle dash and telematics | Varies by carrier policy | Requires a formal preservation letter, sent fast |
These ranges are general observations, not guarantees. Any specific system may retain more or less.
What to do about it
- Identify every camera with a possible view within the first day or two — including cameras pointed at something else that happen to catch the scene in frame.
- Ask in person and politely. Small business owners often preserve a clip for someone standing in front of them and ignore a letter that arrives in three weeks.
- Have counsel send a written preservation letter, sometimes called a spoliation letter, to any commercial party or entity. It puts them on notice that destroying relevant evidence may carry consequences.
- Never assume the police pulled the footage. Frequently no one does.
Practical example: a fall inside a grocery store. The customer reports it, goes to urgent care, calls a firm three weeks later. By then the store’s system has cycled, the sweep log for that shift has been filed away, and the only remaining proof is an incident report written by the store’s own manager. The same case with a next-day preservation request is a substantially different file.
Medical Records and Treatment Consistency
Medical documentation is the backbone of a personal injury claim. It establishes that you were hurt, how badly, that the incident caused it, and what the future looks like.
Get care immediately
Adrenaline masks injury. Soft tissue damage often peaks a day or two later. Beyond the health reason, prompt treatment creates a contemporaneous record tying the incident to the symptoms. A visit on day one is worth more evidentiarily than an identical visit on day twelve.
Describe everything at every visit
Injured people mention the worst pain and forget the rest. If your knee hurts badly and your shoulder aches mildly, say both. Records made months later that first mention the shoulder invite the argument that the shoulder came from somewhere else.
Also describe function, not just pain: what you cannot lift, how far you can walk, how you sleep, what you have stopped doing. “Patient reports difficulty lifting his toddler and waking three times nightly” documents impact in a way “8/10 pain” does not.
Records to collect and keep
- Emergency department records and ambulance run reports
- All imaging reports — X-ray, CT, MRI — and the images themselves where obtainable
- Specialist consultation notes and operative reports
- Physical therapy evaluations, progress notes, and discharge summaries
- Prescription records and pharmacy printouts
- Work restriction notes and return-to-work authorizations
- Itemized bills from every provider, plus explanation of benefits statements
- Any impairment rating or permanency opinion
Why Gaps in Treatment Hurt
A treatment gap is any meaningful stretch with no medical care. Adjusters look for them specifically, and the inference drawn is simple: if you stopped going, you must have gotten better.
The real reasons for gaps are usually different. People cannot afford copays. They cannot get time off. Childcare falls through. A specialist has a six-week wait. None of that appears in the chart, and a blank period reads as recovery.
How to protect against the inference
- Keep appointments, and reschedule promptly when you cannot.
- Tell your provider why when you must pause care, and ask that the reason be noted in the record. “Patient deferring MRI due to cost” is a documented explanation; silence is not.
- Do not self-discharge. Feeling somewhat better is not the same as being released. Finish the course or get a formal discharge.
- Follow through on referrals. An unfilled referral is read as a symptom that resolved.
- Ask about cost-based alternatives — sliding scale clinics, provider payment plans, or treatment under a letter of protection where your attorney arranges it.
The Pain Journal
This is the item almost everyone skips and later wishes they had. Non-economic damages depend on detail no one can reconstruct a year later. Ask yourself what week six after your last illness felt like — you have no idea. Neither will you here.
What to write, briefly, most days
- Date, and a pain level with location
- Sleep quality and any wakings caused by pain
- Specific tasks you could not do or needed help with
- Activities or events you missed, and what they were
- Medication taken and side effects
- Mood, anxiety, or irritability, described plainly
- Good days too — they matter for credibility
What not to write
- Legal strategy, or anything you would not want the other side to read. Assume it is discoverable.
- Exaggeration. One inflated entry contradicted by a medical record damages everything else you have written.
- Long essays. Three or four honest lines a day beats a page written once a month.
Concrete detail carries the weight. “Could not carry the laundry basket up the stairs; my wife did it” lands harder than “bad day.”
Wage Loss and Out-of-Pocket Documentation
Proving lost income
Missed work is only compensable if it is documented and medically supported. Assemble:
- A letter from your employer stating your rate of pay, normal schedule, and the exact dates and hours missed
- Pay stubs from before and after the incident showing the change
- Written work restrictions from a treating provider covering each period of absence
- Records of used sick or vacation time, which is a real loss even though you were paid
- Documentation of lost overtime, bonuses, commissions, or a missed promotion
If you are self-employed, the proof is harder and needs to start earlier: prior years’ tax returns, profit and loss statements, invoices issued before and after, canceled contracts, client correspondence declining work, and records of substitute labor you had to hire.
Out-of-pocket expenses
These are small individually and meaningful in aggregate. Keep a running list with receipts:
- Copays, deductibles, and prescription costs
- Braces, crutches, slings, TENS units, and other medical equipment
- Mileage to and from every appointment, with dates and destinations
- Parking and tolls at medical facilities
- Paid household help, lawn care, or childcare you previously handled yourself
- Home modifications such as shower bars or a temporary ramp
- Rental vehicle or transportation costs
A single envelope or a phone note kept from day one is worth more than a reconstruction attempt eight months in.
Social Media Risk
Assume the defense will look. Adjusters and defense investigators routinely review public profiles, and in litigation social media content is frequently discoverable.
The problem is context collapse. A photograph of you smiling at a barbecue does not show that you left after twenty minutes, sat the whole time, and paid for it the next day. Stripped of that, it becomes a slide in a defense presentation.
Practical guidance
- Stop posting about your activities, your health, your travel, and the incident itself.
- Do not discuss the claim in any message, comment, or group chat.
- Tighten privacy settings, but understand privacy settings are not a legal shield.
- Do not delete existing posts. Deletion after a claim arises can be characterized as destruction of evidence, which is often worse than the post. Ask your attorney before removing anything.
- Ask friends and family not to tag you or post photos of you.
- Remember that fitness apps, location check-ins, and event RSVPs are also records.
Preserving Physical Evidence
In product cases, the product is the case. Discarding it can end an otherwise viable claim, because a defect generally has to be demonstrated on the item itself.
What to preserve and how
- The product itself, unaltered, unrepaired, and uncleaned. Do not disassemble it, and do not let anyone else do so.
- All component parts, including broken fragments, in the same condition they were found.
- Original packaging, manuals, warnings, and labels, which matter enormously in failure-to-warn claims.
- Proof of purchase — receipt, order confirmation, or credit card record establishing when and where it was acquired.
- Model and serial numbers, photographed clearly.
- Recall notices or manufacturer correspondence.
Store it in a dry, secure place and record who has had access. A simple chain-of-custody note — dates, names, where it was kept — heads off later arguments that the item was altered.
The same logic applies beyond products. Damaged helmets, torn or bloodied clothing, broken eyeglasses, defective ladders, and failed equipment all tell a physical story that photographs alone cannot. Do not repair a vehicle before it has been documented and, in serious cases, inspected. Once a car is fixed or sold to salvage, the crush profile that proved impact severity is gone.
Evidence Checklist
- ☐ Scene photographs from multiple angles and distances
- ☐ Witness names and contact information
- ☐ Police or incident report number obtained
- ☐ Nearby cameras identified within 48 hours
- ☐ Preservation letters sent to commercial parties
- ☐ Medical care sought promptly and all symptoms reported
- ☐ Complete records and itemized bills requested from every provider
- ☐ No unexplained treatment gaps; reasons documented in the chart
- ☐ Pain journal started and maintained
- ☐ Employer wage verification letter obtained
- ☐ Receipts and mileage log kept from day one
- ☐ Social media paused, nothing deleted
- ☐ Physical evidence preserved unaltered and secured
- ☐ Every insurer letter and email saved
Frequently Asked Questions
How soon should I request surveillance footage?
Immediately — within days where possible. Many systems overwrite in a matter of days or weeks, and a request that arrives after the loop cycles cannot recover anything.
Can I still bring a claim if I did not photograph the scene?
Often yes. Police reports, witness accounts, medical records, and vehicle damage can carry a claim. Scene photographs strengthen it, but their absence is not automatically fatal.
Will a gap in treatment ruin my claim?
Not necessarily, but it gives the insurer an argument that you recovered. Documenting the reason for the gap in your medical record blunts that argument considerably.
Is a pain journal really used?
It can be. It supports non-economic damages, refreshes your recollection, and helps counsel describe daily impact concretely. Assume the other side may see it, and keep it honest.
Should I delete my social media accounts after an accident?
Do not delete content once a claim exists. Deletion can be characterized as destroying evidence. Stop posting instead, and ask your attorney before removing anything.
Do I have to give the other driver’s insurer a recorded statement?
Generally no. Cooperation duties usually run to your own insurer, not the opposing carrier. Speak with an attorney before agreeing to one.
What if I threw away the product that injured me?
It makes the claim substantially harder, though not always impossible — recall history, other incidents, and expert analysis of an identical unit sometimes help. Tell your attorney immediately and accurately.
Final Thoughts
Documentation is the part of an injury claim you actually control. You cannot change how the collision happened or what the imaging shows. You can control whether the footage was requested in time, whether the record reflects every symptom, whether the gap has an explanation, and whether the receipts still exist.
Do the urgent things first: photograph what still exists, identify cameras, get medical care, and start the journal. Then keep going — consistent, honest, unglamorous record-keeping over months is what separates a claim that gets taken seriously from one that gets discounted.
And do it early. Almost every evidence problem in this field is a timing problem in disguise.
Disclaimer
This article is provided for general informational purposes only and does not constitute legal advice. Evidence rules, preservation obligations, discovery procedures, and personal injury law generally vary substantially by state and change over time. Retention periods described for video systems are general observations, not guarantees, and any particular system may differ. Reading this article does not create an attorney-client relationship. No result is guaranteed. Always consult a licensed attorney in your jurisdiction about your specific circumstances before acting or refraining from acting on any information here.