How Can an Alibi Be Preserved and Tested?

Short Answer

An alibi places the accused somewhere else at the time of the alleged conduct. First, keep the records and identify the people who can support that account. Then check the account: do their observations, locations and times agree?

A disputed alibi does not make the accused responsible for proving innocence. The State has to prove every element beyond a reasonable doubt. An arrest or indictment proves no guilt. That remains the starting point under Texas Penal Code Section 2.01.

Records Can Be Lost While You Wait

The video owner may overwrite yesterday’s footage before receiving a request. A witness may recall a meeting but need help fixing its date. A receipt records a transaction without necessarily identifying the buyer. Start checking while the recording, witness and transaction records are still available.

Find out when the State says the accused acted by reading the charging papers alongside the evidence. The time of discovery, an estimated time of death and the time of the alleged act can differ. If a source gives a range, keep the range on the timeline. Do not turn it into an exact minute.

Putting Events in Order

For each event, the timeline needs a place and a source, plus a time or range. It also needs notes about what has not been confirmed: a gap, a conflict or an assumed travel time. Label a witness’s own observations separately from information passed on by somebody else. Each entry should lead back to material that another person can check.

If all you have is a clip, tell counsel who sent it and where it came from. Preserve that copy. Counsel can arrange collection of the full recording, footage on either side and native files with available creation and handling metadata. A cropped clip may have lost context. Avoid further exports or editing while that collection is being arranged.

A displayed time might refer to the recording, an upload or some other event. Counsel may need a qualified examiner to check the clock, time zone and daylight-saving setting. NIST’s Guidelines on Mobile Device Forensics discuss checking device times and acquisition methods. Get preservation advice before handling a device in ways that could change its contents.

Who had the phone? Who drove the car, used the account or paid? The location of a device does not settle the location of its owner. Counsel needs to know how the estimate was produced, where it may be wrong and what independent evidence places the person there.

What a Prosecutor May Dispute

The witness remembers Tuesday. Was it Monday? Could the accused have traveled between the two places in the time available? Does the account leave a gap, or put a car at a location without identifying its driver? These are questions a prosecutor may raise. Check the day, travel and use of any phone, vehicle or payment card against the evidence. The State keeps its ultimate burden of proof.

Counsel also needs to read the charge for an allegation of helping another person commit an offense. Physical absence would not necessarily answer intentional assistance. Check the acts alleged and the support for any party-liability theory under Texas Penal Code Sections 7.01 and 7.02, which address responsibility for another person’s conduct.

Check What Each Witness and Record Can Support

Authentication under Texas Evidence Rule 901 requires enough support for a finding that the item is what its proponent claims. It does not settle how reliable or persuasive the item is. Rule 602 generally calls for personal knowledge from a fact witness. Hearsay, relevance and expert-testimony rules can raise other questions, depending on the evidence. Counsel must consider these separately under the Texas Rules of Evidence.

Ask what the witness saw or heard, for how long, and how the witness recognized the accused. What makes that day or time memorable? Compare the answers with independent records. Check changes in the account, conversations with other people and exposure to news or social media, even when the witness sounds certain.

For an expert’s conclusion, work back through the method to the source data and collection history. Keep contrary material, too. Counsel needs to investigate a conflict rather than discover it at trial, and needs that information to advise the client about trial risks and lawful resolution options.

Records to Gather for Counsel

• Recordings: Surveillance, doorbell, vehicle and other video showing arrival, departure or presence, with the relevant surrounding footage
• Communications: Complete message threads, call records and original photographs or recordings, with available source information
• Business records: Work schedules, timekeeping, access logs, receipts, travel records and other records that may help anchor a time or place
• Device and location records: Available phone, account or vehicle data, together with information about who actually used the device or account
• Witness information: Who can give firsthand information? Keep names and contact details, and label anything known only through another person.
• The State’s timeline: Gather the scene and medical records, witness accounts and expert data that the State uses to place the alleged act in time.
• Preservation details: The source of each item, who holds it, when it was obtained and any known deletion or retention deadline

Questions for Reviewing the Timeline

• Which records establish the relevant time or time range?
• Where are the gaps before, during and after that period?
• Have the clocks and time zones been checked against one another?
• Who had the phone, drove the vehicle or controlled the account at that time?
• When did each witness first describe the event? How does that version compare with later accounts and discussions?
• List missing material, its preservation deadline and the next relevant court deadline.

Using Copies and Interpreting Missing Entries

A screenshot can sometimes be used in court. Having a native file does not, on its own, prove the alibi. Keep the fullest source available for counsel to check accuracy and admissibility. The rules for proving recorded content are in the Texas Rules of Evidence, including Rules 1001 through 1004; they allow duplicates or other evidence when the specified conditions are met.

Before drawing anything from an empty search, find out whether that system would normally have created the record and kept it. A missing entry may say nothing about the person’s location. Check an apparent match just as carefully. Both have limits.

Who Has the Records?

Read the official notice for the court, county, cause number and next setting. Check which agencies investigated. Evidence can sit with several agencies or a private business outside the county. Counsel may use local procedural knowledge to locate the custodian, then verify the account from the records themselves.

Check the actual court orders and governing law for disclosure and expert deadlines, along with any other deadlines in the case. A federal alibi-notice procedure should not be assumed to govern a Texas state prosecution. Begin preservation before a trial date is set.

Getting Ready to Speak With Counsel

Make a note for counsel of:

• Places and approximate times already known to you
• People who may have seen something
• Records you have and where they came from
• Businesses or services that routinely delete relevant footage or data

Counsel can assess whom to ask for preservation and how to obtain material lawfully. The request cannot ensure the recipient will retain or produce it.

Leave papers, messages and files unchanged. Do not reconstruct a receipt, reset a device, alter evidence or enter someone else’s account. Get counsel’s preservation instructions before changing device settings or extracting anything.

Pass witness details to counsel privately. Coaching, group chats to compare stories and contact with the alleged victim’s family can create further problems. Keep case facts off social media and recorded jail calls. Use counsel’s recommended channel for sensitive information.

Contacting Heath Hyde

If an interview, arrest or court date is approaching, speak to qualified counsel promptly. Mention any evidence likely to be deleted soon.

For Heath Hyde, P.C., call 903.439.0000. Have these details ready:

• The listed charge and known court
• The next deadline
• Available custody information

Ask the firm how to send confidential evidence. Use a general form for it only after the firm confirms that channel is appropriate.

Frequently Asked Questions

Does an accused person have to prove an alibi beyond a reasonable doubt?

No. Disputing the alibi does not move the burden onto the accused. The State must still prove each charged element beyond a reasonable doubt. The alibi is part of the record the factfinder considers; it creates no duty to prove innocence.

When should counsel begin preserving alibi evidence?

As soon as reasonably possible. Let counsel know about video, account data and business records that may be routinely deleted. They may be gone before trial.

Does a phone record prove that its owner was at a particular place?

No, not on its own. Check what the record means, its limitations and who had or used the phone. Connecting the device’s activity to its owner’s location may take other evidence.

Can a relative be an alibi witness?

Yes, a relative may have firsthand information. The relationship alone does not establish admissibility or credibility. Counsel needs to know what the relative observed, how the relative fixes the time and what bias may affect the account. Check it against independent evidence.

Should family members interview witnesses or collect their statements?

Start by giving counsel the names and information you have. Counsel can arrange interviews. Trying to get people to agree on details or rehearse an account can harm the evidence and cause further problems.

Legal and Technical Sources

• Texas Penal Code Section 2.01: presumption of innocence and burden of proof
• Texas Penal Code Chapter 7: criminal responsibility for another person’s conduct
• Texas Penal Code Chapter 19: criminal homicide
• Texas Rules of Evidence: personal knowledge, authentication and proof of recorded content
• NIST SP 800-101 Revision 1: Guidelines on Mobile Device Forensics

This article provides general educational information, not legal advice. Every case depends on its facts, evidence, court, deadlines and governing law. Past results do not guarantee a similar outcome.