Article 39.14 Texas Code of Criminal Procedure: Discovery Duties

Article 39.14 of the Texas Code of Criminal Procedure is the state’s criminal discovery statute. It requires prosecutors to let the defense inspect and copy offense reports, witness statements, physical evidence, and anything else material to the case once the defense files a timely request, and it imposes a separate, continuous duty to turn over evidence that could help prove innocence. The statute is often called the Michael Morton Act, after the man who spent nearly 25 years in a Texas prison for a crime he did not commit before the law was rewritten to replace prosecutor discretion with mandatory disclosure.

What the State Has to Turn Over

Once the defense makes a timely request, the prosecution must allow inspection, copying, and electronic duplication of a wide range of materials. The statute covers offense reports, written or recorded statements from the defendant or any witness (including law enforcement officers), and physical items like photographs, letters, books, accounts, and any other tangible evidence relevant to the case.¹ The obligation reaches everything in the possession, custody, or control of the state or anyone under contract with the state. That last piece matters. Prosecutors cannot dodge disclosure by leaving evidence sitting with a police department or a private forensic lab.

Two categories stay off-limits. The prosecution’s own work product, including internal notes, reports, and communications between the prosecution team and its agents or employees, is protected. Any privileged material is also excluded. Body camera footage, forensic lab results, and digital media all fall within the scope of discoverable evidence so long as they are relevant and not privileged. The state may provide electronic duplicates, and many counties now use electronic discovery portals for exactly that purpose.¹

The Ongoing Duty to Disclose Exculpatory Evidence

Separate from general discovery, prosecutors have a continuous duty to hand over anything favorable to the defendant. Subsection (h) requires the state to disclose any exculpatory, impeachment, or mitigating evidence that tends to negate guilt or reduce punishment.¹ This is where the statute intersects with Brady v. Maryland, in which the U.S. Supreme Court held that suppressing evidence favorable to the accused violates due process regardless of whether the prosecutor acted in good faith or bad faith.²

The critical distinction: general discovery under subsection (a) requires the defense to ask first, but the exculpatory evidence obligation applies whether or not the defense asks. If a prosecutor discovers an alibi witness, a lab report excluding the defendant’s DNA, or a prior inconsistent statement from a key witness, it has to be turned over immediately. The duty does not expire at any stage of the proceedings. The Texas Attorney General’s office has confirmed the obligation extends to evidence found by investigators and employees working for the state.³

Expert Witness Disclosure Runs Both Ways

Subsection (b) creates a reciprocal obligation for expert witnesses. Either party can require the other to identify each expert it plans to call under Texas Rules of Evidence 702, 703, and 705. The request has to be made no later than 30 days before jury selection, or 30 days before the presentation of evidence in a bench trial. The responding party then has until 20 days before trial to provide each expert’s name and address in writing or by electronic means.¹ A court can order an earlier deadline on motion from either side.

This is one of the few discovery obligations under Article 39.14 that runs in both directions. The defense must disclose its own experts to the prosecution under the same rules and deadlines. Missing the 30-day request window means losing the right to demand expert disclosure under this subsection, so tracking the trial calendar matters.

How to Request Discovery

The statute requires a “timely request” but does not prescribe a format.¹ In practice, the standard approach is a written motion filed with the court that cites Article 39.14 and identifies the case by cause number, defendant name, and charges. Most Texas jurisdictions provide standardized forms through the district attorney’s office or local district clerk. These forms typically ask for the date of the alleged offense and the law enforcement agency involved.

A written request creates a record of the demand, and that record matters if a dispute arises later about whether particular items were ever requested or produced. Even in counties where prosecutors keep open-file policies and share materials without being asked, filing a written request protects the defendant’s position. If materials are withheld and no formal request exists, arguing the point on appeal gets much harder.

Receiving Materials and Confirming Them on the Record

After the state receives a request, the statute says it must produce the materials “as soon as practicable.” Many Texas counties handle this through electronic portals where the defense downloads reports, video, photographs, and other digital files. Physical evidence that cannot be digitized is inspected in person at a government facility. Discovery does not authorize removing documents or physical items from the state’s possession, and any in-person inspection must happen with a state representative present.¹

Subsection (j) then requires both parties to confirm what changed hands. Before the court accepts a guilty or no-contest plea, or before trial begins, each side must acknowledge in writing or on the record in open court the disclosure, receipt, and list of all documents, items, and information provided to the defendant.¹ The acknowledgment creates a record that can be reviewed on appeal if either side later claims materials were never exchanged.

What the Defense Can and Cannot Do With the Materials

This is where defendants and their attorneys most often run into trouble. Subsection (e) prohibits the defendant, the defense attorney, and anyone working for the defense from sharing discovery materials with any third party unless a court orders it after a hearing or the materials have already been made public.¹ Posting body camera footage on social media, giving police reports to a journalist, or showing witness statements to a friend all violate this provision without a court order.

Subsection (f) adds another layer. The defense attorney may allow the defendant, a witness, or a prospective witness to view discovery materials, but may not give that person copies except for the person’s own statement. Before anyone views documents or another witness’s statement, the attorney must redact sensitive personal information including addresses, phone numbers, driver’s license numbers, Social Security numbers, dates of birth, and bank account or other identifying numbers.¹ The statute also says the defendant cannot serve as the attorney’s agent for purposes of handling discovery, closing a loophole that might otherwise let the client access materials directly.

Redactions, Withholding, and Protective Hearings

The state is not required to hand over an entire document when only part of it is discoverable. Subsection (c) allows the prosecution to withhold or redact the non-discoverable portions, but it must tell the defendant that something was withheld or redacted. On request, the court will hold a hearing to decide whether the withholding or redaction is justified.¹ This typically comes into play with documents containing privileged communications, information about confidential informants, or material covered by the Family Code restrictions referenced in the statute.

If the defense believes the state is over-redacting or improperly withholding materials, the remedy is to ask for a judicial hearing. The court can review the unredacted materials in camera to decide whether the redactions are warranted. That procedure balances the defendant’s right to see relevant evidence against concerns about witness safety, privacy, and ongoing investigations.

What Changes for Pro Se Defendants

Defendants who represent themselves face tighter limits. Under subsection (d), if a court orders the state to produce discovery to a pro se defendant, the defendant may inspect and review the materials but is not entitled to electronic duplication.¹ A pro se defendant can sit down with the case file at a government facility, but cannot walk out with digital copies the way a defense attorney can. The restriction exists partly because the subsection (f) protections requiring an attorney to redact personal information before letting anyone view materials do not apply when no attorney is involved.

Remedies When the State Violates the Rules

Article 39.14 does not list specific penalties, but Texas courts have held that trial judges have broad authority to enforce it. The most common remedy is excluding the undisclosed evidence from trial. Courts have held that a judge can bar undisclosed evidence and related testimony without first finding that the prosecution acted in bad faith. The trial court’s inherent authority to manage its docket supports fashioning whatever remedy fits the violation.

Beyond exclusion at trial, a discovery violation can provide grounds for appeal. If the prosecution suppresses exculpatory evidence in violation of subsection (h), a conviction may be overturned entirely under Brady principles. The severity of the remedy typically depends on how significant the withheld evidence was to the defense and whether the violation was an honest oversight or a pattern of noncompliance. For defendants, the practical takeaway is straightforward. Document every discovery request and every item received, because that paper trail is what makes enforcement possible when the state falls short.

1
State of Texas. Texas Code of Criminal Procedure Article 39.14 – Discovery
2
Justia U.S. Supreme Court. Brady v. Maryland, 373 U.S. 83 (1963)
3
Office of the Attorney General of Texas. Texas Code of Criminal Procedure Article 39.14 – Discovery (Opinion No. KP-0213)