Andrea Yates: The Lie That Won Her a Second Trial
- Jul 3, 2024
- 6 min read
On June 20th, 2001, Andrea Yates drowned all five of her children in the bathtub of her Houston home, then called 911 and asked for an officer without explaining why. She was convicted of capital murder less than a year later. Then it turned out the prosecution's star witness had built a chunk of his testimony around a TV episode that never aired, because it didn't exist. Yates got a second trial, and a second jury reached a completely different verdict.
That swing, guilty to not guilty by reason of insanity, is really the whole story here. Not because Yates was innocent of killing her children; she always admitted she did it. The question that actually decided her fate was whether she understood it was wrong, and the case for that turned out to rest partly on a lie nobody caught until after the first jury had already convicted her.
A Decline That Was Documented and Ignored
Yates had struggled with depression since her teens and had attempted suicide before she ever had children. Things got seriously bad after her fourth child, Luke, was born in 1999. Her husband Rusty found her trembling and biting her fingers, and the next day she overdosed on pills. After a second hospitalization that summer, doctors diagnosed her with postpartum psychosis and put her on Haldol, an antipsychotic. Her psychiatrist told her plainly not to have any more children, warning it would likely trigger another, worse episode.
She had a fifth child anyway, a daughter named Mary, in late 2000. Her father died a few months later, in March 2001, and Yates fell apart fast. By April she was self-harming, barely speaking, and neglecting her youngest daughter badly enough that she was hospitalized again. She was treated, discharged, and within weeks slid into what her doctors described as a near catatonic state. At one point she'd already considered drowning her children and talked herself out of it. She was hospitalized a second time that same week for suicidal thoughts.
A Preacher Who Mailed Them Cassette Tapes
This is the part most retellings of the Yates case leave out, and it's the detail that actually explains the specific shape of her delusions. Years before the murders, Rusty Yates had become a follower of Michael Woroniecki, a travelling street preacher who lived out of a bus with his wife and mailed sermons on cassette tape to people he'd met on his travels. Woroniecki's core teaching was blunt: bad parents raise children who are doomed to hell, and the only people fit to escape that fate were the ones who lived in total submission to God.
Rusty and Andrea kept in occasional contact with Woroniecki for years, mostly through those tapes and the odd letter. By the time Andrea's psychosis was at its worst in 2001, she'd become convinced she was a uniquely terrible mother and that her children's souls were already lost because of how she'd raised them. Drowning them, in her mind, wasn't murder. It was the only way left to save them from something worse. Woroniecki has always denied any meaningful involvement with the family, and he was never called as a witness or charged with anything. A recent documentary series reopened the question of how much influence he actually had, and he pushed back hard against it publicly, saying he barely knew Andrea and spoke mostly to Rusty.
The Morning of June 20th
Rusty left for work that morning, leaving Andrea alone with the children despite her psychiatrist's explicit instructions that she never be left unsupervised. His mother was due to arrive an hour later to help out. Within that hour, Andrea drowned all five children, starting with John, Paul and Luke, then Mary, and finally Noah, who'd come in to check on his baby sister and tried to run when he realized what was happening. Afterward she called the police and asked them to send an officer, then called Rusty and told him to come home. She didn't explain why on either call.
The Testimony That Wasn't True
Yates went to trial in 2002 on capital murder charges. The prosecution's central problem was simple: how do you convince a jury someone understood right from wrong when she was this visibly unwell? Their answer came from Dr. Park Dietz, a well known forensic psychiatrist who also worked as a consultant for the TV show Law & Order. Under cross examination, Dietz told the court he'd consulted on an episode where a mother with postpartum depression drowned her children in a bathtub and was found not guilty by reason of insanity, and that the episode had aired just days before the Yates murders. The implication was obvious: Yates, a regular viewer of the show, had effectively watched a how-to.
There was just one problem. The episode didn't exist. Suzanne O'Malley, a journalist who had previously worked on Law & Order herself and was covering the trial, couldn't find any record of it and started asking questions. Within hours of being alerted, Dietz checked with the show's own writers and confirmed his memory was wrong; he said later he'd offered to fly back to Houston at his own expense to correct it on the record, but his correction never made it into evidence before the verdict came in.
By then it was too late to matter for the first trial. Both the defence and the prosecution had already built closing arguments around the fabricated episode. Yates' own lawyer told the jury they'd “heard some evidence that she saw some show on TV and knew she could drown her children and get away with it,” trying to get ahead of it, while the prosecutor leaned on it directly, telling jurors Yates watched the show regularly and had effectively been handed a blueprint. The jury convicted her of capital murder and, rather than the death penalty, sentenced her to life with the possibility of parole after 40 years.
Overturned, and a Different Verdict
In 2005, an appeals court ruled the false testimony could reasonably have swayed the jury and threw out the conviction. The state had to either retry Yates or let her go, and chose to retry her. Texas attorney Wendell Odom's account of the appeal notes that the state itself had already conceded in writing that Dietz's testimony was false and that no such episode had ever aired, which made the appeal close to a formality once it reached the right court.
The 2006 retrial covered much of the same ground, but with a jury no longer anchored to a fabricated piece of evidence, and with a defence that leaned harder into just how thoroughly the system had already failed Andrea Yates before that morning ever happened. It came out that her psychiatrist, Dr. Mohammed Saeed, had explicitly told Rusty not to leave her alone with the children.
Rusty had been doing it anyway for weeks beforehand, by his own account hoping it would help her regain a sense of independence. Andrea's brother later said Rusty had once described depressed people as simply needing “a swift kick in the pants,” a comment that didn't land well with a jury weighing whether anyone other than Andrea bore some responsibility for what happened in that house. Her own mother testified she'd warned Rusty he wasn't equipped to manage Andrea's care alone, after watching Andrea nearly choke baby Mary while distracted and unwell months earlier.
This time, the jury found Yates not guilty by reason of insanity. She was committed to a state mental hospital and remains under psychiatric care today, at a low security facility in Kerrville, Texas.
What Actually Changed Between the Two Trials
It's tempting to read the two verdicts as a story about a jury finally understanding mental illness. The more accurate read is narrower than that: the first trial was decided partly on a lie, and the second one wasn't. Once jurors weren't being told Yates had effectively copied a TV plot, the actual medical record, years of documented psychosis, repeated hospitalizations, a psychiatrist's explicit warning that was ignored, did the rest of the work. It's a pattern that shows up again in cases like Marianne Bachmeier's, where what a jury is told about a defendant's state of mind ends up mattering just as much as what actually happened.
Texas juries don't have an easy relationship with the insanity defence generally; the state has historically been far more comfortable handing down the kind of sentence Karla Faye Tucker received than acquitting someone outright on mental health grounds. That makes the Yates retrial fairly unusual on its own terms, and probably wouldn't have happened at all without a journalist who used to work on a crime drama catching a fictional plotline being presented to a jury as fact.
