What Is Spoliation of Evidence in a California Personal Injury Case?

Michael Pines | August 2, 2026 | Personal Injury

Quick Insights

• Spoliation of evidence generally refers to destroying, altering, losing, concealing, or failing to preserve evidence that may be relevant to a pending or reasonably foreseeable legal dispute.
• Examples may include deleted surveillance video, repaired or scrapped vehicles, discarded defective products, missing commercial driver logs, and destroyed maintenance records.
• The duty to preserve evidence can arise before a lawsuit is filed when a person or business reasonably anticipates litigation.
• California does not generally recognize an independent civil lawsuit for intentional spoliation committed by a party to the underlying case, but courts have other tools for addressing destroyed evidence.
• Potential consequences can include monetary sanctions, discovery orders, limits on evidence or defenses, and an instruction allowing jurors to infer that intentionally destroyed evidence would have been unfavorable to the responsible party.
• Injury victims also have preservation responsibilities. A damaged vehicle, defective product, clothing, photographs, electronic communications, and other evidence should not be altered or discarded without legal guidance.

Evidence is the foundation of a California personal injury claim. Photographs can show a dangerous property condition. Vehicle damage may help explain the force and direction of a collision. Surveillance footage can capture an accident as it happened. Maintenance records, driver logs, and electronic data may reveal negligence that a defendant would otherwise deny.

But what happens when that evidence disappears?

A business may allow security footage to be automatically overwritten. A trucking company may fail to retain driver logs. A vehicle involved in a serious collision may be repaired or sent to a salvage yard before it can be inspected. A defective product may be thrown away after it causes an injury.

The destruction, alteration, concealment, or failure to preserve material evidence is commonly known as spoliation of evidence. In a California personal injury case, spoliation can make it substantially more difficult for an injured person – or a defendant – to prove what happened.

California generally does not treat spoliation by a party as a separate personal injury claim. However, courts may respond through evidentiary rulings, discovery sanctions, monetary penalties, issue-related remedies, or jury instructions. Under California’s civil jury instructions, jurors may be permitted to conclude that intentionally concealed or destroyed evidence would have been unfavorable to the party responsible.

What Does “Spoliation of Evidence” Mean?

Spoliation generally involves the destruction or significant alteration of evidence, or the failure to preserve property or information that may be needed in pending or reasonably foreseeable litigation.

The evidence does not necessarily have to be physically shredded or smashed. Spoliation may involve:

• Deleting a digital file
• Allowing video footage to be overwritten
• Repairing or modifying physical evidence
• Discarding a damaged product
• Erasing electronic communications
• Losing documents
• Failing to suspend a routine document-destruction policy
• Concealing relevant records
• Making an item unavailable for inspection

The central concern is whether potentially relevant evidence was unavailable because someone failed to preserve it after a legal dispute was pending or reasonably foreseeable.

Not every lost item automatically constitutes sanctionable spoliation. Courts may consider what was lost, why it was lost, whether a duty to preserve existed, the responsible party’s state of mind, and how the loss affected the other side’s ability to present its case.

Why Is Preserving Evidence So Important?

A personal injury case often depends on reconstructing an event that occurred months or even years before trial. The parties, insurance companies, attorneys, experts, and jurors were not present when the injury happened. They must rely on preserved evidence to understand:

• How the accident occurred
• Who had control over the dangerous condition
• Whether safety rules were violated
• Whether earlier problems were reported
• How severe the incident was
• Whether the defendant had notice of a hazard
• Whether the claimed injuries are consistent with the event
• Whether records were changed after the accident

When important evidence disappears, the remaining evidence may provide an incomplete or misleading picture.

For example, exterior photographs of a repaired car may not allow an accident-reconstruction expert to inspect crushed structural components. A written summary of surveillance footage is not equivalent to seeing the recording itself. A maintenance supervisor’s memory may not replace dated inspection and repair records.

Spoliation can therefore prejudice the party who needed the original evidence to prove or defend the claim.

When Does the Duty to Preserve Evidence Begin?

A preservation duty may arise once litigation is pending or reasonably foreseeable. This means a lawsuit does not necessarily have to be filed before relevant evidence must be protected. California legal authorities recognize that preservation obligations may exist when a party reasonably anticipates litigation, and routine destruction practices may need to be suspended.

Whether litigation was reasonably foreseeable depends on the circumstances.

Factors may include:

• The seriousness of the accident or injuries
• Whether an incident report was completed
• Whether emergency services responded
• Whether the injured person requested insurance information
• Whether a claim or demand was submitted
• Whether an attorney sent a preservation letter
• Whether the business began an internal investigation
• Whether the parties exchanged accusations of fault
• Whether government investigators became involved
• Whether similar claims had previously arisen

A minor incident with no apparent injury may not create the same expectations as a catastrophic commercial truck crash, a death, or an accident followed immediately by a written claim.

Once the duty arises, the responsible person or organization may need to identify, secure, and retain potentially relevant physical and electronic evidence.

What Is a Preservation Letter?

A preservation letter – sometimes called a spoliation letter, litigation-hold letter, or evidence-preservation notice – is a written demand instructing a person, business, insurer, or government entity to preserve specified evidence.

The letter may identify evidence such as:

• Surveillance recordings
• Dashcam or onboard-camera footage
• Vehicles and vehicle components
• Event-data-recorder information
• Electronic logging-device data
• Inspection and maintenance records
• Employee schedules
• Incident reports
• Text messages and emails
• Photographs
• Training materials
• Product samples
• Computer records and metadata

A preservation letter does not itself prove that the recipient was negligent. It places the recipient on notice that the evidence may be relevant and should not be destroyed through ordinary operations, repair work, recycling, deletion, or automatic overwriting.

Because many systems retain data for only a limited period, sending a specific preservation notice promptly can be critical.

Deleted Surveillance and Dashcam Video

Video is among the most valuable – and most easily lost – forms of personal injury evidence.

Relevant footage may come from:

• Retail security cameras
• Apartment or hotel cameras
• Residential doorbell systems
• Parking-garage cameras
• Traffic cameras
• Public-transit cameras
• Delivery vehicles
• Commercial truck dashcams
• Police body-worn cameras
• Bystander cellphones

The footage might show a fall, vehicle collision, unsafe employee conduct, the length of time a hazard existed, or the injured person’s physical condition immediately afterward.

Many recording systems automatically overwrite older footage after a set period. If a business knows about a serious injury but allows relevant video to be overwritten, the loss may become a spoliation issue.

However, the legal analysis may depend on whether the business had a duty to preserve the recording, whether the relevant footage could reasonably have been identified, and whether the deletion was intentional, negligent, or part of an ordinary process that continued before litigation was foreseeable.

Example: Supermarket Slip and Fall

Suppose a customer slips on spilled liquid in a San Diego supermarket and suffers a serious hip injury. The store completes an incident report, photographs the scene, and notifies its insurer.

Security footage may show:

• When the spill occurred
• Whether employees walked past it
• How long the hazard remained
• Whether warning signs were present
• How the customer fell
• Whether anything else contributed to the accident

If the store retains only a short clip showing the fall but allows the preceding hour to be erased, the missing footage could be highly important. The earlier video might have shown whether the store had enough time to discover and correct the dangerous condition.

Repaired, Altered, or Destroyed Vehicles

A damaged vehicle is more than property awaiting repair. It can also be physical evidence.

Vehicle evidence may reveal:

• The point and angle of impact
• Crush patterns
• The severity of the collision
• Seatbelt use
• Airbag deployment
• Tire condition
• Brake or steering defects
• Mechanical failures
• Defective safety systems
• Whether the vehicle had been modified
• Whether cargo was properly secured

Modern vehicles may also contain event-data recorders or other electronic systems that retain information about speed, braking, throttle position, seatbelt status, or airbag deployment.

If the vehicle is repaired, dismantled, crushed, sold, or released to a salvage yard before the opposing party or an expert can inspect it, important evidence may be permanently lost.

Evidence Preservation Is Not Only the Defendant’s Responsibility

An injured claimant must also be careful not to destroy evidence.

For example, a person alleging that a vehicle defect contributed to a crash should not authorize the vehicle to be scrapped before the manufacturer has a reasonable opportunity to inspect it. Similarly, a motorcycle helmet, child safety seat, tire, seatbelt component, or damaged bicycle may need to be preserved.

Before repairing or disposing of accident-related property, the owner should discuss the matter with an attorney and insurer. Photographs alone may not be an adequate substitute for a physical inspection.

Discarded Defective Products

Product-liability cases frequently depend on the condition of the exact item that allegedly caused the injury.

Examples include:

• Defective power tools
• Collapsing ladders
• Malfunctioning appliances
• Exploding batteries
• Unsafe medical devices
• Broken furniture
• Defective child products
• Failed vehicle components
• Contaminated containers
• Industrial machinery

The original product may need to be inspected by engineers or other specialists. Experts may evaluate its design, materials, warnings, manufacturing process, wear, maintenance, and the way it failed.

If the product is discarded, repaired, taken apart, or returned to the seller without safeguards, the parties may lose the ability to determine whether a defect existed.

Preserve Related Materials Too

Preservation may extend beyond the product itself. Relevant items may include:

• Packaging
• Instructions
• Warnings and labels
• Receipts
• Serial and model numbers
• Replacement parts
• Photographs and video
• Correspondence with the seller or manufacturer
• Prior repair documents
• Recall notices

An injured consumer should generally avoid attempting to recreate the malfunction or perform destructive testing without professional guidance.

Missing Commercial Driver Logs and Electronic Data

Truck accident cases can involve extensive records that do not exist in an ordinary passenger-vehicle claim.

Potential evidence includes:

• Electronic logging-device data
• Hours-of-service records
• Driver duty-status logs
• Dispatch communications
• GPS and route information
• Bills of lading
• Fuel receipts
• Toll records
• Driver qualification files
• Drug and alcohol testing records
• Training records
• Cargo documentation
• Onboard video
• Engine-control-module data

These records can help determine whether a commercial driver was fatigued, exceeded driving limits, followed an unsafe schedule, deviated from a route, or operated the truck after a safety problem was reported.

A trucking company that receives notice of a serious crash may need to suspend routine deletion policies and preserve information from multiple systems. Records may be stored by the carrier, driver, dispatch provider, electronic logging vendor, maintenance contractor, or another third party.

If logs are missing or inconsistent, attorneys may compare other sources – such as fuel purchases, cellphone records, GPS data, delivery timestamps, and toll records – to reconstruct the driver’s movements.

Destroyed Inspection and Maintenance Records

Maintenance records can be central to cases involving vehicles, commercial properties, machinery, elevators, escalators, amusement rides, and other equipment.

Relevant records may include:

• Inspection schedules
• Preventive maintenance logs
• Repair orders
• Parts-replacement records
• Employee checklists
• Safety complaints
• Prior incident reports
• Work orders
• Vendor invoices
• Photographs
• Equipment manuals
• Internal emails

These documents may show that a defendant knew about a dangerous condition but failed to correct it.

Example: Commercial Truck Brake Failure

After a truck collision, the carrier may claim that the brakes were properly maintained and that the crash was unavoidable. Inspection and repair records could show whether:

• Brake problems had been reported
• Required inspections occurred
• Repairs were postponed
• Worn components were replaced
• Mechanics were properly qualified
• The truck was placed back in service despite unresolved problems

If those records disappear after the carrier is placed on notice of a serious injury claim, their absence can significantly affect the litigation.

Deleted Emails, Text Messages, and Electronic Records

Spoliation is not limited to physical evidence.

Electronic evidence may include:

• Emails
• Text messages
• Workplace chat messages
• Digital photographs
• Social media content
• GPS records
• Cloud files
• Electronic calendars
• Database entries
• Audit logs
• Metadata
• Mobile-app data

Deleting a message does not always mean it is permanently unavailable. Copies may remain on another device, in a cloud account, within a business server, or in the possession of another participant.

Nevertheless, once litigation is reasonably anticipated, parties may be required to take reasonable steps to prevent relevant electronically stored information from being automatically or manually destroyed.

This may require disabling auto-delete functions, suspending ordinary retention policies, securing employee devices, or issuing a litigation hold to employees who control relevant information.

Is Spoliation a Separate Lawsuit in California?

California generally does not recognize an independent tort claim for intentional spoliation of evidence committed by a party to the underlying litigation.

In Cedars-Sinai Medical Center v. Superior Court, the California Supreme Court declined to create a separate tort remedy for first-party intentional spoliation. The court pointed to existing non-tort remedies available within the underlying case, including discovery sanctions, evidentiary consequences, and disciplinary measures.

This does not mean a party is free to destroy evidence.

Instead, the consequences are generally addressed within the personal injury lawsuit or related proceedings. The court may attempt to reduce the prejudice caused by the missing evidence and deter misconduct.

The exact remedy depends heavily on the facts, procedural posture, governing law, and severity of the conduct.

What Are the Potential Consequences of Spoliation?

Potential consequences may range from relatively limited remedies to case-altering sanctions.

An Adverse Inference

One of the most significant potential consequences is an adverse inference.

California Evidence Code section 413 permits the trier of fact to consider a party’s willful suppression of evidence when evaluating the case. California Civil Jury Instruction 204 states that when jurors decide a party intentionally concealed or destroyed evidence, they may conclude that the evidence would have been unfavorable to that party.

The instruction does not automatically require the jury to decide against the responsible party. It permits the jury to consider the destruction and decide what inference, if any, should be drawn.

For example, if a trucking company intentionally deletes onboard video that captured the moments before a collision, jurors may be allowed to infer that the footage would not have supported the company’s account.

Monetary Sanctions

A court may order the responsible party or attorney to pay costs caused by discovery misconduct. These costs may include expenses associated with motions, investigations, depositions, expert analysis, or attempts to reconstruct missing evidence.

Discovery Sanctions

When evidence is withheld or destroyed during litigation, discovery sanctions may be available. Depending on the conduct and applicable procedural requirements, the court may issue orders affecting discovery, evidence, issues, or – in extreme circumstances – the disposition of claims or defenses.

Exclusion of Evidence or Testimony

A court may prevent a party from introducing certain evidence or expert opinions when allowing that evidence would create an unfair advantage after the underlying material was destroyed.

For instance, a party that destroys a vehicle before the opposing expert can inspect it may face limits on presenting its own expert’s conclusions from an earlier inspection.

Limits on Claims or Defenses

The court may prohibit a party from advancing a factual position that the missing evidence would have tested.

A defendant might be restricted from arguing that a product was improperly used when the defendant’s destruction of the product prevented the plaintiff from examining the alleged misuse.

Attorney or Professional Discipline

The destruction or concealment of evidence can also create ethical consequences for lawyers. Attorneys have duties concerning candor, fairness, discovery, and the handling of evidence. The San Francisco Bar Association notes that spoliation may carry both legal and ethical ramifications, depending on who acted, what was destroyed, and the lawyer’s involvement.

Criminal Consequences in Some Circumstances

Certain conduct involving the destruction, concealment, alteration, or falsification of evidence may also implicate criminal laws. Whether criminal liability is possible depends on the conduct and the applicable statute. Most personal injury spoliation disputes, however, are addressed through civil litigation procedures rather than a separate criminal proceeding.

Does Accidental Loss Count as Spoliation?

Evidence can disappear for many reasons.

A document may be lost during an office move. A cellphone may be damaged. A business’s system may automatically delete footage. A vehicle may be repaired before anyone understands its evidentiary significance.

Courts distinguish among intentional destruction, reckless conduct, negligence, and unavoidable loss. The responsible party’s state of mind can influence which remedies are appropriate.

California’s standard civil instruction concerning willful suppression focuses on intentional concealment or destruction before jurors may infer that the evidence was unfavorable.

Nevertheless, even negligent loss can create serious practical problems. A court may examine:

• When the evidence was lost
• Whether litigation was reasonably foreseeable
• Whether a preservation request had been received
• Whether the party followed its ordinary policy
• Whether that policy should have been suspended
• Whether reasonable preservation steps were taken
• Whether other copies exist
• How important the evidence was
• How severely the loss prejudiced the other side

The fact that deletion was “automatic” does not necessarily resolve the issue if the system should have been suspended after the preservation duty arose.

How Can an Injured Person Avoid Spoliation?

Evidence preservation applies to plaintiffs as well as defendants.

After an accident, an injured person should consider preserving:

• The damaged vehicle
• Defective products and components
• Torn or bloodstained clothing
• Shoes worn during a fall
• Helmets and safety equipment
• Photographs and original digital files
• Text messages and emails
• Voicemails
• Receipts and purchase records
• Medical devices
• Medication containers
• Social media content
• Personal journals documenting recovery

Do not alter evidence to make it more persuasive. Preserve it in substantially the same condition and document when, where, and how it was stored.

An injured person should also avoid deleting unfavorable material. Evidence preservation is not limited to information that helps a claim. Selective deletion can damage credibility and lead to allegations of spoliation.

What Should You Do When You Suspect Evidence Is Being Destroyed?

When evidence may be at risk, prompt legal action can be critical.

A California personal injury attorney may:

• Identify likely sources of evidence
• Send detailed preservation notices
• Request temporary access to vehicles or property
• Seek photographs, downloads, or inspections
• Contact insurers, businesses, government agencies, and third-party vendors
• Negotiate evidence-handling protocols
• Request emergency court intervention when appropriate
• Issue subpoenas after litigation begins
• Take depositions concerning missing evidence
• Compare retention policies with actual conduct
• Seek sanctions or evidentiary remedies

Attorneys may also preserve proof that a preservation request was sent and received. This can become important if the recipient later claims it did not know that the evidence was relevant.

How Can Pines Salomon Personal Injury Lawyers Help Preserve Evidence?

At Pines Salomon Personal Injury Lawyers, our San Diego personal injury attorneys understand that strong cases must be built on evidence – not assumptions.

Depending on the circumstances of your accident, our legal team may work to preserve:

• Crash-scene video
• Commercial surveillance recordings
• Vehicles and defective components
• Trucking logs and electronic data
• Maintenance and inspection records
• Employee communications
• Incident reports
• Digital photographs and metadata
• Medical and emergency-response documentation

We can investigate who controlled the evidence, when the duty to preserve may have arisen, what steps were taken, and whether missing evidence affected your ability to prove negligence and damages.

Pines Salomon has represented injured people in San Diego for more than 30 years, and the firm’s attorneys bring more than eight decades of combined experience to personal injury matters. The firm offers free initial consultations.

Contact a San Diego Personal Injury Attorney About Missing or Destroyed Evidence

A deleted recording, repaired vehicle, discarded product, or missing set of records can fundamentally change a personal injury case. Evidence can disappear quickly, sometimes through routine business practices and sometimes after a party realizes how damaging the information may be.

The sooner an investigation begins, the more opportunities there may be to preserve video, inspect physical evidence, obtain electronic data, and prevent relevant records from being destroyed.

Contact Pines Salomon Personal Injury Lawyers to schedule a free consultation about a personal injury claim in San Diego, California.

We proudly serve San Diego, San Diego County, and its surrounding areas:

Pines Salomon Injury Lawyers – San Diego Office
835 5th Avenue #302, San Diego, CA 92101
(858) 551-2090
Available 24/7

Pines Salomon Injury Lawyers – La Jolla Office
4660 La Jolla Village Dr. San Diego, CA 92122
(858) 585-9031
Available 24/7

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