What Happened To Tyria Moore, The Girlfriend Of Serial Killer Aileen Wuornos?

Published May 23, 2023
Updated June 7, 2023

Even as Aileen Wuornos murdered seven people within the span of just 12 months, her girlfriend Tyria Moore stood by her — before finally cooperating with the police and helping to bring the "Monster" serial killer down.

Tyria Moore

YouTubeAileen Wuornos’ girlfriend Tyria Moore cooperated with police to finally put her behind bars.

On a humid Florida evening in 1986, Tyria Moore met an exciting blonde named Aileen Wuornos at the Zodiac Bar in Daytona, Florida. Weeks earlier, Moore had left her conservative hometown of Cadiz, Ohio, to fully embrace being a lesbian. Unbeknownst to her, she was falling for a serial killer.

As the relationship progressed and Tyria Moore became Aileen Wuornos’ girlfriend, Wuornos admitted that she had been in and out of jail for theft and armed robbery. She added that she had been abused and abandoned as a child and often used prostitution as a means to make money.

Moore tried to discourage these behaviors in Wuornos, but their relationship took a turn in 1989 when Wuornos suddenly confessed that she had just killed a man.

Wuornos told her that her victim was a client who had become abusive and that it was out of self-defense. Moore believed her, but then Wuornos killed again — and again.

Soon, Tyria Moore was forced to talk to the police. In the end, her testimony damned Wuornos and helped to put this infamous serial killer behind bars.

While Moore has since been depicted in the 2003 film Monster, where the character of Selby Wall was based on her, little is known about what happened to Tyria Moore after her time with Wuornos. This is the true story of Aileen Wuornos’ girlfriend.

Inside Tyria Moore And Aileen Wuornos’ Relationship

Moore was 24 years old when her relationship with 30-year-old Aileen Wuornos began. According to Wuornos biographer Sue Russell, the couple’s fateful encounter in Daytona in 1986 dictated the rest of their lives.

“From then on, they became inseparable,” she said. “That was the anchor that Aileen had been looking for.”

Moore had no qualms about living in motel rooms with Wuornos or crashing on the couches of friends for the four and a half years they were companions.

But Moore did take issue with Wuornos’ tendency to turn to prostitution.

Selby Wall Character Based On Tyria Moore

Newmarket FilmsChristina Ricci (right) as the Tyria Moore composite character of Selby Wall in Monster (2003).

“Once I found out that she was prostituting, I did everything I could to help her stop doing that,” said Moore. But then on Nov. 30, 1989, Wuornos came home claiming to have shot and killed a client of hers who raped and beat her.

Moore believed her partner, particularly when the victim was identified as a convicted rapist named Richard Mallory. But then, Wuornos started to come home with the belongings of strangers.

Unknown to Moore, Mallory’s murder was followed by that of David Spears, who Wuornos shot six times in May 1990 and left naked in the woods. That same month, she shot rodeo worker Charles Carskadden nine times and similarly dumped his corpse.

Then On June 30, that same fate befell Peter Siems, a 65-year-old driving his 1988 Pontiac Sunbird from Florida to Arkansas. It is unclear what Aileen Wuornos’ girlfriend thought when she arrived home in his car one day.

On July 4 of that year, Wuornos drove that car off the road, and while inspecting the abandoned crash site, police recovered prints from the car — which were later traced to Daytona pawn shops where Wuornos had sold Peter Siems’ belongings.

Bar Where Aileen Wuornos Was Arrested

Wikimedia CommonsThe Last Resort Bar where Wuornos was arrested.

With Wuornos wanted for murder and her face plastered across the news, Moore left Florida to stay with her family in Pennsylvania. Meanwhile, Wuornos murdered three more men — a sausage salesman named Troy Burress, U.S. Air Force Major Charles Humphreys, and a trucker named Walter Antonio.

Finally, Moore agreed to talk to police.

Aileen Wuornos’ Girlfriend Helps Bring Her Down

Wuornos’ rampage came to an end when police arrested her on a warrant at The Last Resort biker bar in Volusia County, Florida, on Jan. 9, 1991. Authorities approached Tyria Moore the following day, finding her ready to cooperate in exchange for immunity.

Put up in a Daytona motel room and plied with food and Budweisers, Moore was instructed to call Wuornos in jail until she admitted to her crimes. She made 11 calls in total and frantically claimed to be terrified of being charged for the murders herself. When Wuornos asked if she was being recorded, Moore said no.

“You’re innocent,” Wuornos told her over the phone. “I’m not gonna let you go to jail. Listen, if I have to confess, I will.”

And on January 16, she did. “[I don’t want Moore to get] messed up for somethin’ I did,” Wuornos reportedly told police. “I know I’m gonna miss her for the rest of my life.”

Her trial began on Jan. 13, 1992.

Aileen Wuornos' Girlfriend Tyria Moore

YouTubeAileen Wuornos’ girlfriend now lives a private life.

Tyria Moore became a star witness in the case. She took the stand on the fourth day of trial and provided 75 minutes of testimony. It was only the second time since Wuornos’ arrest that the two had seen each other.

She claimed that Wuornos had never mentioned Mallory having hurt her before she killed him and that she appeared unharmed when she calmly recounting killing him. “We were just sitting around watching TV and drinking a few beers,” said Moore. “She seemed fine.”

Moore left the court that day without ever meeting Wuornos’ eye. It was the last time they ever saw each other as the judge sentenced Wuornos to death via electric chair. She was executed on Oct. 9, 2002.

After learning about Tyria Moore, Aileen Wuornos’ girlfriend, read about Charles Manson’s first wife Rosalie Jean Willis. Then, learn about 11 prolific serial killers you’ve never heard of.

Marco Margaritoff
A former staff writer for All That’s Interesting, Marco Margaritoff holds dual Bachelor's degrees from Pace University and a Master's in journalism from New York University. He has published work at People, VICE, Complex, and serves as a staff reporter at HuffPost.
John Kuroski
John Kuroski is the editorial director of All That's Interesting. He graduated from New York University with a degree in history, earning a place in the Phi Alpha Theta honor society for history students. An editor at All That's Interesting since 2015, his areas of interest include modern history and true crime.
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Margaritoff, Marco. "What Happened To Tyria Moore, The Girlfriend Of Serial Killer Aileen Wuornos?." AllThatsInteresting.com, May 23, 2023, https://allthatsinteresting.com/tyria-moore. Accessed May 25, 2024.