Armstrong, 34, was arrested Wednesday at a hostel on Santa Teresa Beach in Provincia de Puntarenas, the U.S. military says. He will be deported and returned to the United States Austin police issued a warrant on May 17 for the arrest of Armstrong on the charge of first-degree murder in the fatal shooting of Wilson, 25, who was found to be having an affair with Armstrong’s friend, professional cyclist Codrillard. Wilson was found bleeding and unconscious with multiple gunshot wounds at a friend’s home in Austin on May 11. A car resembling Armstrong’s 2012 Jeep Grand Cherokee was recorded in surveillance footage from a neighboring residence stopping outside a friend’s house on the night of the shooting, according to an arrest warrant. When police interviewed Armstrong on May 12, he was “confronted with video footage of her vehicle,” but “had no explanation as to why he was in the area and did not deny the allegations,” the affidavit said. After further interrogation, Armstrong asked to leave, according to the affidavit. The U.S. Department of Defense shared this image of homicide suspect Kaitlin Armstrong. US Army Service The U.S. Task Force Marshals Lone Star Fugitive spotted Armstrong’s Jeep Grand Cherokee last week. Armstrong sold the vehicle May 13 to a CarMax dealership in Austin for $ 12,200 before flying out of Austin Airport on May 14, authorities said. Investigators believe he then boarded a Southwest Airlines flight to Houston Hobby Airport before boarding a flight to New York’s LaGuardia Airport. Investigators learned that Armstrong was transferred to Newark Liberty International Airport on May 18 and, using a fake passport, boarded a United Airlines flight that day to San Jose, Costa Rica, according to U.S. military officials. The U.S. military has called for a $ 5,000 reward for information leading to the capture of Armstrong, a mediator and yoga teacher. It is unclear whether Armstrong has a lawyer. The Marshals fugitive’s case had raised the investigation to a “major case” early on, “which probably played a key role in her arrest after 43 days,” said Susan Pamerlo, the U.S. military’s chief of staff for the West. Texas. “This is an example of combining the resources of local, state, federal and international authorities to apprehend a violent fugitive, to end this run and, hopefully, a sense of closure in the victim’s family.” Wilson, an up-and-coming elite cyclist, was visiting Austin from San Francisco for a gravel cycling race. She was found shot hours after she met Strickland, police said. Austin police said at the time that the shooting did not appear to be accidental and that it had a person interested in the incident. Strickland told police he had not seen Armstrong since May 13, according to the affidavit. He said he was working closely with detectives on the investigation. “There is no way I can adequately express the regret and torture I feel for being close to this horrific crime,” Strickland told ABC News, a subsidiary of KVUE in Austin. “I’m sorry and I just can not understand this unsolved tragedy.”