Mo Wilson shot to death on May 11, 2022 on night of a date with Colin Strickland
WATCH LIVE: Closing arguments begin in Kaitlin Armstrong murder trial
Both sides are making their final arguments to jurors in Kaitlin Armstrong’s murder trial for the shooting death of pro cyclist Anna Moriah "Mo" Wilson.
Closing arguments have begun in Kaitlin Armstrong’s murder trial in the shooting death of pro cyclist Anna Moriah "Mo" Wilson, who prosecutors said was shot twice in the head and once through the heart after going on a date with Armstrong's live-in, on-and-off boyfriend.
Armstrong, 37, is accused of shooting 25-year-old Wilson to death in a jealous plot minutes after Colin Strickland, 36, dropped the star cyclist off at a friend's Austin apartment, where she was staying while visiting Texas for a race.
Travis County prosecutor Rickey Jones began his closing arguments by playing footage from outside the apartment on May 11, 2022 – the night Armstrong allegedly shot Wilson — in which Wilson can be heard screaming.
"No one else in the world was angry that their boyfriend was out with Mo Wilson. Just her," Jones said of Armstrong. "No one else in the world had their Jeep circling 1708 Maple for an hour before you heard that 9:15 shot. No one else in the world matched that description."
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Kaitlin Armstrong appears in court for her murder trial at the Blackwell-Thurman Criminal Justice Center in Austin, Texas on Monday, Nov. 6, 2023. Armstrong is charged with the fatal shooting of professional cyclist Anna Moriah Wilson. (Jorge Molina)
Both sides have called Strickland to the stand. Prosecutors used his testimony to build out the motive of jealousy. The defense painted him as manipulative and "comfortable with misinformation" after he admitted to lying about what he was doing on the night of Wilson's murder.
Prosecutors said Armstrong stalked Wilson's location with the Strava app – a popular tool for cyclists and runners that shows their routes – and that she had access to Strickland's Apple and Gmail accounts and would read his texts and emails.
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Strickland, who had a sexual relationship with Wilson while on a "break" with Armstrong, had changed her name in his phone.
A photo combination of a U.S. Marshal handout of Kaitlin Armstrong and her booking photo after her extradition to the U.S. from Costa Rica. The photos show her before and after prosecutors say she obtained plastic surgery while on the run in Costa Rica following the Texas murder of Mo Wilson. (US Marshals, Travis County Sheriff's Office)
Armstrong's defense attorney, Rick Cofer, pointed fingers at Strickland in his closing arguments Thursday.
"Moriah Wilson was not the first cycling woman in Colin's life. Colin hid his relationship with Moriah Wilson into 2022," Cofer said. "He did that because he didn't want to be honest about it. He doesn't like emotions. He likes what he wants and what's important to him. … He was leaving his options open. He just didn't want to get caught. He didn't lie because Kaitlin was a jealous, psycho killer."
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Friends testified that Armstrong appeared jealous of Wilson and had talked about killing her – but they also said they didn't take her too seriously.
Defense attorney Rick Cofer questions Colin Strickland in court at the Blackwell-Thurman Criminal Justice Center in Austin, Texas on Monday, November 6, 2023. Strickland was the boyfriend of Kaitlin Armstrong, who is charged with the fatal shooting of professional cyclist Anna Moriah Wilson. (Jorge Molina)
"I didn’t think too much of it at the time," testified Nicole Mertz, a former cycling pro and one of Armstrong's close friends in Austin. "It wasn’t about anyone in particular, seemed like something you say when you are angry."
After the slaying, police questioned Armstrong on an unrelated warrant and let her go. She then sold her Jeep, which police said they found on surveillance near the crime scene, flew to Costa Rica, got plastic surgery on her face and avoided police for 43 days.
Anna Moriah "Mo" Wilson, right, pictured with her family. Wilson was killed on May 11, 2022, after going out to dinner with fellow professional cyclist Colin Strickland in Austin, Texas. Kaitlin Armstrong, Strickland's girlfriend, is on trial facing murder charges. (The Wilson family)
"Then she runs to Costa Rica, has plastic surgery, on the beach teaching yoga while the Wilsons are trying to pick up the pieces," Jones said Thursday.
They captured her on Santa Teresa Beach – a popular expatriate community – with a plastic surgery receipt, her sister's passport and a list of defense attorneys.
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While on the run, prosecutors said she read news about the U.S. Marshals' international search for her and she looked up whether she could alter her fingerprints with pineapples.
Then, last month, she allegedly tried to escape from Travis County jail guards, leading them on a 10-minute foot chase before they captured her a mile away.
Anna Moriah 'Mo' Wilson smiles after a winning gravel cycling race. (The Wilson Family)
Armstrong's defense has tried to convince jurors that the state's ballistics and DNA evidence are not enough to prove she did the crime. They have also argued that police had "tunnel vision" and narrowed in on her prematurely.
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They had an expert testify that her DNA could have been transferred to Wilson's bike without her being there. Wilson rode on Strickland's motorcycle to and from their date, sitting behind him with her hands on his hips, according to testimony.
Fox News' Mills Hayes contributed to this report.
Michael Ruiz is a reporter for Fox News Digital. Story tips can be sent to
