Advanced litigation guide
Evidence Preservation, Discovery, Depositions, Motions and Trial Strategy
This pillar is part of the Aaron Herbert Texas Walmart Injury Knowledge Hub. The parent guide explains injury claims for consumers and families. This article examines how counsel investigates and prepares those claims for litigation.
Litigating a Walmart injury case in Texas starts with identifying the responsible parties and the legal theory supported by the facts. Counsel must preserve evidence, establish each liability element, document causation and damages, and prepare for defenses. Surveillance, inspection records, employee testimony and medical evidence may be central. Discovery and trial preparation must fit the particular incident; a falling-merchandise claim or security case cannot automatically be analyzed as a floor-spill case.
Walmart injury litigation includes more than slips and falls. A customer may be struck by merchandise, injured during an employee's work, hurt in a parking lot or harmed in an incident involving security. The store's name does not establish liability. The first task is to determine what happened, who controlled the relevant activity or property, and what duty applied.
This guide follows the work from the first interview through trial. The examples describe investigation choices, not findings about a particular Walmart store or a uniform company practice. Retention periods, staffing, equipment and records must be established in the individual case.
In this litigation guide
- 1. Initial client investigation
- 2. Identifying the correct Walmart entity
- 3. Preservation and spoliation
- 4. Surveillance and electronically stored information
- 5. Incident reports and investigation files
- 6. Inspection and safety-sweep records
- 7. Written discovery
- 8. Corporate-representative depositions
- 9. Employee and manager depositions
- 10. Actual and constructive notice
- 11. Warning adequacy
- 12. Open-and-obvious and comparative-responsibility defenses
- 13. Medical causation and damages
- 14. Experts
- 15. Summary judgment
- 16. Motions in limine and evidentiary issues
- 17. Trial themes, exhibits and jury instructions
- Questions about Walmart injury litigation
- Authorities and further reading
- About Aaron A. Herbert
1. Initial client investigation
Begin with the sequence of events before the injury. Record the exact store, date, approximate time and location within the property. Ask what the client saw before contact with the hazard, what changed afterward, who spoke to whom, and when the first symptoms appeared. Separate personal observations from information supplied later by someone else.
Collect original photographs, receipts, incident paperwork and witness contact information. A receipt or phone record may help establish the time, but reconcile it with the camera clock rather than assuming the timestamps match. Record the position of displays, lights, signs, carts and sight-line obstructions. Preserve relevant footwear or damaged items without alteration.
Identify the possible theory before drafting a petition. An injury caused by an ongoing activity can present a different claim from an injury caused by a condition left on the premises. Falling merchandise may require evidence about stacking or handling; a parking-lot assault raises duty and foreseeability questions that a spill chronology does not answer. A product or pharmacy allegation may involve additional parties and requirements. Investigate those theories only when the facts support them.
2. Identifying the correct Walmart entity
The sign over the entrance is not a substitute for identifying the legal defendant. Confirm the entity operating the store on the incident date, the party controlling the relevant area, and any contractor whose work may have contributed. Property ownership and operational control may require different records. A maintenance contractor, landlord or product manufacturer should not be added merely because its name appears in a file.
Use reliable business records and discovery to resolve entity questions; verify the proper registered agent and service method. Check jurisdiction, venue and possible removal issues before assuming that the case will remain in the court where it was filed. Calendar limitations and service requirements independently of settlement discussions.
Texas Civil Practice and Remedies Code §16.003 generally provides a two-year personal-injury limitations period. Accrual, exceptions and other applicable statutes require case-specific review. A claim number or an adjuster's ongoing investigation does not itself establish that a filing deadline has been extended.
3. Preservation and spoliation
A useful preservation request describes the incident precisely enough for the recipient to locate relevant evidence. Identify the store, location, date and time range, and explain why surrounding footage matters. Depending on the facts, the request may cover surveillance, original exports and metadata, incident records, inspection entries, communications, photographs, maintenance records and the physical item involved.
Preservation is not the same as production. A letter requests that evidence be retained; it does not by itself compel delivery of the file. Follow up, document receipt and use the appropriate discovery process. The client also has preservation responsibilities. Keep originals and avoid deleting messages or changing items that could bear on the claim.
Under Brookshire Brothers, Ltd. v. Aldridge, 438 S.W.3d 9 (Tex. 2014), the Texas spoliation analysis addresses the duty to preserve, breach, culpability and prejudice. Missing video does not automatically entitle a claimant to a favorable jury instruction. Establish what existed, who controlled it, when a preservation duty arose, and how the loss affects proof. Federal cases involving lost electronically stored information require attention to Federal Rule 37(e).
4. Surveillance and electronically stored information
The seconds showing the injury may explain the mechanism while revealing little about how the danger developed. Request a justified period before and after the event and relevant adjoining camera views. For falling merchandise, another angle may show stocking activity. For a parking-lot incident, entrances, lighting and movements through adjacent areas may matter.
Ask how the system records, stores and exports footage. Determine whether the delivered file is complete, whether the clock was accurate, whether audio exists, and whether an export changed quality or omitted frames. Obtain the information needed to play and authenticate the file. Do not assert a standard Walmart overwrite deadline without evidence about the system involved.
ESI can also include inspection applications, internal messages, task assignments or maintenance tickets where relevant. Identify custodians and systems before arguing over an absent record. Propose a usable production format and a proportionate scope; an unrestricted demand for every corporate electronic record is unlikely to resolve a store-specific issue efficiently.
5. Incident reports and investigation files
Request the report, its attachments, photographs and identified witnesses, together with relevant versions or corrections. Establish who prepared each entry and whether that person witnessed the event. A manager's reconstruction should not silently become a firsthand account.
Investigative material may raise privilege or work-product disputes. Neither a blanket assertion that everything is protected nor an assumption that every claims-file document is discoverable answers the issue. Examine the asserted protection, seek the information needed to evaluate it under the governing rules, and present a focused dispute to the court when necessary.
6. Inspection and safety-sweep records
A written inspection policy and an actual inspection are different evidence. Request the policy applicable at the time, the relevant records, and testimony explaining how employees used the system. Determine whether an entry describes a completed inspection, an assigned task or a later correction.
Compare those entries with surveillance and employee testimony. An employee walking through an aisle may not have inspected the location at issue. Conversely, a timestamped inspection can narrow the period during which a condition developed. Missing entries may justify further investigation, but do not alone establish the age of a hazard or every element of liability.
| Event or issue | Evidence to compare | Question to resolve |
|---|---|---|
| Condition first appears | Original video, witness account, maintenance record | Is the start time established or only inferred? |
| Inspection or employee encounter | Inspection entry, camera view, employee testimony | What area was inspected and what could the employee see? |
| Report or warning | Customer testimony, communications, sign placement | Who learned what, and when? |
| Injury and response | Video, photographs, incident report, treatment record | Does the evidence support the claimed mechanism and injury? |
7. Written discovery
Organize discovery by disputed element. Requests about control identify the proper party. Requests about notice identify reports, observations and timing. Requests about response examine warnings or corrective work. Medical and employment records address a different part of the case.
Use interrogatories, production requests and admissions for their distinct purposes. Define the store, time period, condition and record categories. Track responses against the request rather than treating a large production as a complete response. Address objections, missing attachments and unreadable files early enough to obtain a ruling before the relevant deadline.
The Texas Rules of Civil Procedure and applicable local rules govern a Texas state-court case. Federal procedure governs federal-court discovery. Check the discovery plan and scheduling order in the actual case; do not transfer a deadline or discovery limit from one forum to the other.
8. Corporate-representative depositions
Texas Rule 199.2(b)(1) and Federal Rule 30(b)(6) provide procedures for examining an organization through designated witnesses. Use the rule for the forum. Describe topics with reasonable particularity and comply with the applicable requirements, including the federal rule's conference requirement.
Potential topics include control of the property, relevant inspection procedures, surveillance operation, record retention, preservation steps and the search for responsive records. Tailor the subjects to issues supported by the case. An organization witness can explain a record system even if the witness did not see the accident; that does not make the witness a substitute for the employee who did.
Compare the testimony with produced records. When the witness cannot answer a noticed subject, establish the preparation undertaken and the information missing before seeking relief. The objective is a usable evidentiary record, not merely a list of unanswered questions.
9. Employee and manager depositions
Start with the witness's assignment, location and opportunity to observe. Ask what the witness personally did, what was reported by others, and what records refresh the witness's memory. A statement that the area was “checked” needs a description of the inspection.
Use photographs and recordings to test distances, obstructions and timing without supplying an answer the witness has not given. Establish the source of any clock time. Ask when a warning was placed and whether its position changed after the injury. Keep pre-incident knowledge separate from facts learned during the investigation.
10. Actual and constructive notice
For an invitee's premises-condition claim, actual knowledge and constructive knowledge are different ways of addressing notice. Actual notice requires evidence connecting the defendant's knowledge to the relevant dangerous condition. Constructive notice often depends on evidence showing that the condition existed long enough to be discovered through reasonable care.
Wal-Mart Stores, Inc. v. Reece, 81 S.W.3d 812 (Tex. 2002), explains why an employee's proximity alone does not establish constructive notice. Develop the timeline and examine proximity, visibility and duration together. General awareness that spills sometimes occur cannot replace evidence about the particular condition.
In Albertsons, LLC v. Mohammadi, 689 S.W.3d 313 (Tex. 2024), the Court distinguished knowledge of the wet floor from knowledge of the antecedent leaking items. Its actual-knowledge analysis should not be presented as a new constructive-notice holding. Likewise, evidence that an employee created a condition may support an inference, but creation is not an automatic substitute for the required knowledge finding.
These premises principles do not supply every element for every Walmart injury. Determine the applicable duty and cause of action before importing a spill-notice analysis into an employee-activity, product or negligent-security claim.
11. Warning adequacy
Record the warning's location, wording, visibility and timing. Photograph the customer's actual approach. A cone visible in a post-incident photograph may have been moved or placed after the injury; establish that sequence through evidence.
A warning can bear on knowledge and on the response to a danger, but its mere presence does not resolve both questions. Analyze whether the warning adequately addressed the condition under the circumstances and whether the applicable duty was satisfied. The relevant premises-liability inquiry includes whether ordinary care was exercised to warn adequately or make the condition reasonably safe.
12. Open-and-obvious and comparative-responsibility defenses
Examine a claimed obvious danger from the position and circumstances confronting the person at the time. Lighting, obstructions, the appearance of the condition and the available route can matter. Austin v. Kroger Texas, L.P., 465 S.W.3d 193 (Tex. 2015), addresses the general premises rule for known or obvious dangers and recognized exceptions. Apply the actual requirements of any asserted exception rather than assuming that a need to enter the store establishes it.
Duty and proportionate responsibility are separate issues. Under Chapter 33, a claimant generally cannot recover when assigned more than 50 percent responsibility; otherwise the claimant's percentage reduces recoverable damages. Investigate allegations about distraction, footwear, conduct and other responsible persons. A defense allegation still needs evidentiary support.
13. Medical causation and damages
Build the medical chronology alongside the liability chronology. Obtain records documenting the initial complaints, treatment, diagnoses and functional limitations. Address prior conditions and subsequent events directly. A gap in treatment needs an accurate explanation; neither concealment nor speculation helps a physician assess causation.
Separate billed amounts, amounts recoverable under applicable law, future treatment, lost earnings and other claimed losses. Wage records, job duties and restrictions may be needed to support an earnings claim. Future needs require a factual and medical basis appropriate to the claim. Section 41.0105 and other applicable Texas damages rules should be considered when preparing medical-expense evidence.
A serious diagnosis does not prove Walmart's liability, and strong liability evidence does not establish every requested dollar. A settlement evaluation should identify uncertainties on both sides, including disputed causation, collectable damages, litigation expense and the client's circumstances. There is no reliable settlement formula based solely on the store's name.
14. Experts
Identify the technical question before choosing an expert. A shelving incident may call for engineering analysis; a disputed medical mechanism may require a physician; a recording problem may require a qualified digital-evidence specialist. Not every case needs each discipline.
Preserve the material an expert would need to inspect. Supply relevant unfavorable evidence as well as favorable evidence, and require the opinion to explain its factual basis and method. Check qualifications, reliability, relevance, disclosure obligations and the governing scheduling order. Texas Rule of Evidence 702 and the applicable procedural rules address different parts of that preparation.
15. Summary judgment
Prepare for a challenge to each required element while discovery is still open. Maintain a working list of the admissible evidence supporting control, duty, notice where required, breach, causation and damages. If a witness or document is missing, identify the gap while there is still an opportunity to address it.
Read the motion's grounds precisely. A response needs evidence and argument addressing those grounds, with usable record citations and attention to objections. A petition's allegations do not substitute for summary-judgment proof. If additional discovery is necessary, counsel must make the request and showing required by the governing rule.
Texas Rule 166a was rewritten in 2026, including deadline changes. Use the current rule, its applicability provisions and the court's orders rather than an older response calendar. Federal Rule 56 governs the corresponding federal procedure.
16. Motions in limine and evidentiary issues
Resolve foreseeable disputes about video authentication, business records, hearsay, expert opinions, prior incidents and demonstrative exhibits before they disrupt testimony. Evidence produced in discovery is not automatically admissible at trial. Identify the witness, certification or other foundation for each important exhibit.
Analyze subsequent remedial measures under the applicable evidence rule, including any permitted purpose, instead of assuming that a later repair proves negligence. Similar care is required when using prior incidents: relevance depends on what the evidence is offered to prove and the necessary factual connection.
A ruling on a motion in limine does not by itself settle every preservation-of-error issue. Plan trial objections, offers of proof and requests for rulings under the applicable rules. Keep the court's actual ruling with the exhibit and witness preparation materials.
17. Trial themes, exhibits and jury instructions
Use a theory that can be traced to the evidence and the legal questions the jury will answer. In a notice case, a synchronized chronology may explain more than repeated claims that the store should have done better. In a falling-merchandise case, a properly supported display diagram may show why control, loading or handling is disputed.
Distinguish original evidence from an illustrative reconstruction. Label demonstratives accurately, test playback equipment and preserve the underlying files. Prepare witnesses to explain what they know without turning assumptions into facts.
Work through proposed questions and instructions before the evidence closes. The charge must fit the pleaded theories and supporting proof, including notice, causation, responsibility and damages where applicable. Avoid duplicative recoveries and unsupported theories. Preserve requested submissions, objections and rulings under the governing procedure.
Questions about Walmart injury litigation
Does this guide apply only to slip-and-fall injuries?
No. It addresses the litigation process for Walmart injury claims more broadly. The legal theory and investigation must change with the incident. Spill-notice rules do not automatically decide falling-merchandise, employee-activity or security claims.
Does sending a preservation letter guarantee access to surveillance?
No. Preservation and production are separate. A focused request can identify material that should be retained, but obtaining it may require formal discovery and a court ruling.
Is there a standard period before Walmart footage is overwritten?
This guide assumes no universal period. Counsel must investigate the actual system, retention settings and preservation steps at the relevant location.
Will missing footage automatically establish the claim?
No. A spoliation remedy requires the applicable legal showing. Liability, causation and damages still need evidence.
Does an incident report admit fault?
Not necessarily. Examine what the report says, who supplied the information and the basis of each statement. Documenting an injury and admitting a legal element are different things.
Can a warning cone defeat the case?
A warning may affect the claim, but its timing and adequacy require examination. Establish what warning existed before the injury and whether it addressed the danger encountered.
Can the case settle without trial?
It can, but no resolution is guaranteed. Evaluate a proposed settlement using the developed evidence, applicable law and the client's circumstances, while continuing to meet court deadlines.
How soon should the evidence be investigated?
Promptly. The filing deadline does not describe how long video, physical conditions or witness recollections will remain available. Preserve relevant material while counsel evaluates the claim.
Authorities and further reading
- Texas Judicial Branch: current procedural and evidence rules. Consult the rules and amendments applicable to the case.
- Federal Rules of Civil Procedure, including Rules 26, 30(b)(6), 37(e) and 56.
- Albertsons, LLC v. Mohammadi, 689 S.W.3d 313 (Tex. 2024), discussing actual knowledge and citing Reece and related premises authorities.
- Brookshire Brothers, Ltd. v. Aldridge, 438 S.W.3d 9 (Tex. 2014).
- Austin v. Kroger Texas, L.P., 465 S.W.3d 193 (Tex. 2015).
- Texas Civil Practice and Remedies Code Chapter 16, Chapter 33, and Chapter 41.
About Aaron A. Herbert
Aaron A. Herbert has been licensed in Texas since 2002 and Board Certified in Personal Injury Trial Law by the Texas Board of Legal Specialization since 2008. Read Aaron Herbert's professional biography and verify the specialty through the Texas Board of Legal Specialization.
Discuss a Texas Walmart injury claim
Contact The Law Firm of Aaron A. Herbert, P.C. to discuss the incident and the evidence available. Keep original records and bring any incident paperwork to the consultation.
This guide provides general legal information, not advice about an individual case. It does not create an attorney-client relationship or promise an outcome. Applicable law, deadlines and litigation decisions depend on the facts and forum.