The Elusive Killer: The Manhunt for Kaitlin Armstrong

An in-depth look at the international manhunt for Kaitlin Armstrong, the woman accused of murdering professional cyclist Anna Moriah “Mo” Wilson, and the gripping trial that followed.

In a case that captivated the world, Kaitlin Armstrong, the prime suspect in the murder of professional cyclist Anna Moriah “Mo” Wilson, managed to evade capture for months, leaving authorities and the public baffled. The search for Armstrong spanned across the United States and eventually led investigators to the picturesque beaches of Costa Rica. This article delves into the intricate details of the manhunt, the life and career of the victim, and the compelling trial that ultimately brought Armstrong to justice.


Anna Moriah “Mo” Wilson was a rising star in the professional cycling world, known for her talent, drive, and enthusiasm. Born into a family of athletes, her passion for outdoor endurance sports was nurtured from a young age. After a knee injury ended her skiing career, Wilson turned to cycling as a means of rehabilitation and quickly excelled in the sport. Her dedication, coupled with her desire to inspire others and make cycling more inclusive, set her apart from her peers.

On May 10, 2022, just one week before her 26th birthday, Wilson arrived in Austin, Texas, to prepare for the Gravel Locos bike race, where she was expected to shine. Tragically, Wilson’s life was cut short when she was found murdered in her friend’s apartment. The cycling community was left in shock, grappling with the loss of a talented and beloved athlete.

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The investigation into Wilson’s murder quickly focused on her relationship with fellow cyclist Colin Strickland. Strickland, who had a brief romantic involvement with Wilson, became a person of interest. However, as the evidence unfolded, it became clear that the key suspect was Kaitlin Armstrong, Strickland’s girlfriend at the time.

Armstrong, a finance professional turned amateur cyclist, had been tracking Wilson’s movements through a sports app and had access to Strickland’s personal information. As the pieces of the puzzle began to come together, Armstrong vanished, leaving authorities scrambling to locate her.

The manhunt for Armstrong led Deputy U.S. Marshals Damien Fernandez and Emir Perez to Costa Rica, where they faced the challenge of finding a fugitive who had changed her appearance and used multiple identities. Despite hitting dead ends, the U.S. Marshals remained persistent, even resorting to placing ads for a yoga instructor, knowing Armstrong’s love for yoga might lead her to respond.

After weeks of searching, the U.S. Marshals finally received a breakthrough. A woman claiming to be a yoga instructor contacted them, leading them back to Santa Teresa, Costa Rica. In this small village filled with foreign tourists, identifying Armstrong became a daunting task. However, through perseverance and the assistance of local contacts, the U.S. Marshals managed to locate and apprehend Armstrong at a hostel in Santa Teresa.


Once Armstrong was in custody, the case against her began to unfold. Prosecutors presented compelling evidence, including DNA found on Wilson’s bike, a receipt for plastic surgery Armstrong had undergone while on the run, and the fact that she had been tracking Wilson’s movements through a sports app. The defense attempted to shift blame onto Strickland, but the evidence overwhelmingly pointed to Armstrong as the perpetrator.

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The trial that followed was gripping, with emotional testimonies from Wilson’s friends and family. The jury, after deliberating for a short time, found Armstrong guilty of murder. She was subsequently sentenced to 90 years in prison.


The arrest and conviction of Kaitlin Armstrong marked the end of a gripping manhunt that spanned across continents. The tragic murder of Anna Moriah “Mo” Wilson left a void in the cycling community, but her legacy lives on through the Moriah Wilson Foundation, which promotes healthy living and community building. The case serves as a reminder of the determination and perseverance of law enforcement agencies in bringing justice to victims and their loved ones.