Caitlin Armstrong, the 34-year-old Texas woman accused of murdering her romantic rival and professional cyclist Anna Moriah “Moe” Wilson, is now the subject of a federal detention request as she sits in an Austin jail on $3.5 million bail, according to with files. . So even if he could post bail, he would remain in custody for the inmate, former federal prosecutor Neama Rahmani told Fox News Digital Wednesday. According to the Department of Justice, federal detainers are official notices that inform a given jurisdiction that an inmate faces pending charges in another. In Armstrong’s case, she is being held in Austin, Texas, on state charges of first-degree murder and theft of services. Federally, he has been charged with unlawful flight to avoid prosecution after spending 43 days at the neck while being named in a murder warrant. TEXAS BICYCLE KILLING SUSPECT KAITLIN ARMSTRONG RETURNS TO AUSTIN AFTER COSTA RICA ARREST Booking photos taken after Kaitlin Armstrong’s release to the US appear to show a change in her facial features. (US Marshals, Travis County Sheriff’s Office) The former yoga instructor is accused of stalking and killing Wilson on May 11, according to an Austin murder warrant. Police claimed her Jeep Grand Cherokee was seen on surveillance video near the crime scene moments before the murder. The Jeep showed up moments after Armstrong’s boyfriend, a 35-year-old fellow professional cyclist named Colin Strickland, dropped off Wilson, 25, at her friend’s apartment in Austin, according to the warrant. TEXAS MURDER SUSPECT CAITLIN ARMSTRONG THROUGH THE YEARS: LOVE TRIANGLE FUGITIVE IN OLD PHOTOS The two had gone swimming and gone out to dinner earlier that night, police said, and had previously been romantically involved. Left: victim Moriah “Mo” Wilson after a match. Right: A photo of suspect Kaitlin Armstrong released by US Marshals. (The Wilson Family / US Marshals) Strickland, who reportedly lost several sponsors in the wake of the shooting, updated his Instagram bio on Wednesday to write: “I used to ride bikes, now not so much.” He has declined multiple Fox News Digital requests for comment, other than to say “please f—off.” He told The Sun that he had fallen out with Wilson in October 2021 during a break in his relationship with Armstrong – his live-in girlfriend. But they had since reconciled and his relationship with Wilson was purely platonic, he said. According to police, over the winter he bought Armstrong the handgun that ballistics analysis would link to the crime in May. Colin Strickland is seen outside his home in Austin, Texas on June 17, 2022. (MEGA) U.S. Marshals said last month, during a manhunt for Armstrong on the run, that she sold her Jeep to a CarMax dealership less than a mile from her home days later for $12,200, well below market value. She may have used that money as she allegedly evaded law enforcement, which obtained a warrant for her arrest on May 17. Authorities said she flew from Texas to New York and then from New Jersey to Costa Rica, where police found her at a guesthouse in the Pacific Ocean last week, according to the Marshals. Caitlin Armstrong changed her appearance in the 43 days she spent in the neck, according to authorities. (US Marshals/Harris County Sheriff’s Office) KAITLIN ARMSTRONG MANHUNT: NEW YORK CAMPSITE LINKED TO BIKE SUSPECT AUSTIN LOVE TRIANGLE IN She had a bandage on her face when law enforcement met her at Don Jon’s Lodge in Santa Teresa Beach. According to Deputy Chief Brandon Filla, she claimed she injured her face in a surfing accident. Stock photos taken after her release to the US appear to show a change in her facial features. She had also cut her hair short and dyed it brown. The Marshals Lone Star Fugitive Task Force and local law enforcement are expected to deliver a news update on the case Thursday afternoon. CLICK HERE TO GET THE FOX NEWS APP Armstrong’s next appearance in an Austin court is scheduled for the morning of July 20. Her defense attorneys said they would not comment on the case and asked for privacy for her family. Fox News’ Rebecca Rosenberg and Sarah Rumpf contributed to this report. Michael Ruiz is a reporter for Fox News Digital. Story tips can be sent to [email protected] and on Twitter: @mikerreports