The Case for Ronald Jeffrey Prible, Jr.'s Exoneration

Justice for Jeff

 Ronald “Jeff” Prible Jr. is on Texas death row for a crime he did not commit. His federal court relief was overturned on a technicality, but new evidence reveals deeper misconduct. The Capital Habeas Unit filed his successor writ on August 28. Jeff is now closer than ever to coming home! 

Read the Latest Court Filing

Prible Writ 28AUG2026 (183 pages) (pdf)

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Exhibits1-50 (1398 pages) (pdf)

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Exhibits51-72 (939 pages) (pdf)

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The Crime

On April 24, 1999, Esteban “Steve” Herrera and his girlfriend, Nilda Tirado, were found shot to death inside their home in Houston, Texas. A fire had been intentionally set in the house shortly after the shootings. Even more tragically, three children died from smoke inhalation as a result of the fire.


Given Herrera’s involvement in the drug trade, investigators immediately considered drug-related motives and pursued leads involving people connected to that activity.

Jeff's Arrest and Initial Release

 Jeff was arrested later that day and fully cooperated with investigators. He voluntarily surrendered his clothing, provided a DNA sample, consented to testing of his skin, and allowed detectives to photograph his entire body. 


 Although Jeff was arrested and questioned on April 24, 1999, investigators did not have enough evidence to hold him or charge him with the murders. There were no eyewitnesses, no murder weapon, and no confession. Testing found no gunshot residue, accelerants, or other physical evidence linking him to the shootings or the fire. A search of Jeff’s home also failed to uncover evidence connecting him to the crime. 


Because the evidence did not support criminal charges at the time, Jeff was released, and the case eventually went cold.

The Case Goes Cold—Until...

 The murders of Esteban “Steve” Herrera, Nilda Tirado, and three children shocked the community. But despite the horrific nature of the crime, the case remained unsolved for more than two years. No one had been brought to justice.


Enter Kelly Siegler. By 2001, Siegler had earned a reputation in Harris County as a “giant killer”—a prosecutor celebrated for taking on high-profile cases and securing convictions with dramatic courtroom tactics.


When she took over the cold case, it wasn’t because of a new forensic breakthrough, eyewitness testimony, or a confession. The physical evidence had not changed. Instead, Siegler built her case on two unstable pillars: the testimony of a jailhouse informant with everything to gain, and an interpretation of DNA evidence that has since been heavily challenged—even by the State’s own DNA expert.


Jeff Prible was—and remains—innocent. The person or persons actually responsible for these murders have never been identified. But Siegler’s prosecution would mark the beginning of Jeff’s long legal nightmare.

What the Latest Filing Reveals

On August 28, 2026, Jeff’s attorneys filed a successor application for writ of habeas corpus with the Texas Court of Criminal Appeals. The filing does more than revisit the problems exposed during Jeff’s earlier federal proceedings. It presents newly discovered evidence and argues that the full record now shows a conviction built on suppressed evidence, unreliable testimony, misleading forensic evidence, and prosecutorial misconduct.


Much of what follows on this site comes directly from that filing and its 72 exhibits.


The writ explains how evidence pointing away from Jeff was withheld from his defense, how information concerning other suspects was never disclosed, how jailhouse informants were used to manufacture evidence against him, and how DNA testimony was presented to the jury despite information in the prosecution’s own files that contradicted the State’s theory.


Most importantly, the new filing asks the Court of Criminal Appeals to confront the case as it exists today—with evidence Jeff’s jury never heard and information his trial attorneys never possessed.

In His Own Words...

July 19, 2024 - Jeff just scratches the surface about one of the many issues with his case.

Debunking Kelly Siegler's DNA Deception

Siegler failed to disclose crucial DNA evidence that supported Prible’s defense, including her own handwritten notes from a conversation with the head of the Harris County Crime Lab. These notes indicated that DNA could have been deposited up to 72 hours before the murder, directly contradicting prosecution claims that it occurred at the time of the crime. She presented this scientifically unsubstantiated claim as an irrefutable truth, misleading the court and jury about the timing of the DNA evidence. Additionally, Prible had been immediately forthcoming with detectives about a consensual sexual encounter with Tirado earlier in the evening, so the presence of DNA was in no way unexpected. 

"The State’s case depended on showing that the sexual acts occurred moments before Tirado died. The State did not disclose that it had developed evidence supporting the defense’s expert testimony on the DNA, but still presented testimony with directly opposite scientific conclusions. The suppression of information from the defense hampered, if not prevented, the development of a defense to counter the two facts* that supported Prible’s conviction."

-Judge Keith Ellison (Court document linked below)


* The two facts referenced by the Judge are stated earlier in the ruling. He stated, "...the ultimate facts of this case are simple.  The State’s case rested on two facts: (1) a single witness who testified that Prible confessed to the murders and (2) testimony suggesting that Prible’s DNA had entered Tirado’s mouth only a short while before her death."

2007 Recusal Hearing

This video from 2007 shows Jeff essentially begging to be heard while the judge says he can do nothing.

Rulings and Other Media

Judge Ellison's ruling granting Prible relief (pdf)

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The 5th Circuit's ruling vacating Prible's relief based on technicalities (pdf)

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James Rytting's interview with Carl Walker (pdf)

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Here is a copy of the motion Jeff filed that triggered the recusal hearing (PDF)

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Jeff's Petition for a Writ of Certiorari to the US Supreme Court (DENIED) (pdf)

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Jeff's Petition for Rehearing En Banc to 5th Circuit CoA (DENIED) (pdf)

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Amicus Brief For SCOTUS 3-8-23 (pdf)

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Slideshow: Jeff and His Family

    COLD CASE KILLER

    Kelly Siegler Is a True-Crime Celebrity. Did She Frame an Innocent Man for Murder?

    Part 1: The Prosecutor and the Snitch Ring

    “Cold Justice” star Kelly Siegler relied on jailhouse informants to win convictions despite reasons to doubt their credibility.

    Read Full Story

    TRADING FAVORS

    How Two Men Convicted by Kelly Siegler Uncovered the Dark Secret to Her Success

    Part 2: The Prosecutor and the Snitch Ring

    “Cold Justice” star Kelly Siegler relied on jailhouse informants to win convictions despite reasons to doubt their credibility.

    Read Full Story

    SECRETS AND LIARS

    What Happened When a Star Prosecutor Was Accused of Running a Jailhouse Snitch Scheme

    Part 3: The Prosecutor and the Snitch Ring

    “Cold Justice” star Kelly Siegler relied on jailhouse informants to win convictions despite reasons to doubt their credibility.

    Read Full Story

    Anatomy of a Wrongful Conviction

    Day One

    Muneer Deeb.  Anthony Graves.  Michael Toney.  Robert Springstein. These names probably mean nothing to most of you.  Who among us, after all, could possibly even begin to keep track of all of the countless happenings in our modern hyperactive news cycle?  We tune in, get blitzkrieged into sensory overload for half an hour or so by eve...

    read full story

    Day Two

    The night before the murders of Steve Herrera, Nilda Tirano and their three children was not atypical in any appreciable way.  Steve’s occupation on the tax records was as a tile setter, an activity he actually did on occa...

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    Day Three

    The murders of Steve Herrera, Nilda Tirado, and their three children were discovered shortly after 6 a.m. on the 24th of April 1999.  By 2 p.m., the police had invited Jeff Prible in for a “chat,” though in reality they had alrea...

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    Day Four

    There are roughly two pathways that I could take when describing the murder trial of Jeff Prible.  The first would be to give the full picture, both what happened in court in conjunction with what we kn...

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    Day Five

    It is a fair assessment to state that Jeff Prible’s life depended largely upon identifying and locating the man known as Walker.  This would prove to be a frustratingly difficult task, not due to the magnitude of the problem but strictly because of the tools at Jeff’s disposal.  His state habeas attorney, R...

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    Day Six

    If, as I argued at the beginning of this series, the primary driver of wrongful convictions is the general public’s kneejerk and unreasoned desire for vengeance, then its co-conspirator is its ignorance of the judicial system.  Consider the full weight of the evidence I have laid out for you over the course of the past five ...

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    Day Seven

    Let us say that you have stolen a valuable piece of art. Yes, yes, I know: you are a good person, you volunteer at the soup kitchen, go to church, pay your taxes. Quiet for a minute – I’m trying to make a point. Let’s pretend that whil...

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    Day Eight

    The prisoners stank. The record doesn’t list many details from the early days of the outbreak, just that one sneering comment about the distastefulness of the wretches brought to face justice on that morning in 1750. Even in London, the la...

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    Day Nine

    The arrow of time wobbles a bit in solitary confinement. There are days that feel like months; hour upon torpid hour of men see...

    read full story

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