Kaitlin Armstrong's boyfriend Colin Strickland takes the stand at her murder trial to tell jury about their 'tumultuous' two-year relationship after meeting on dating app

The boyfriend at the center of the 'killer' yoga teacher trial took the stand in Austin today to tell the jury of their 'tumultuous' two-year relationship which started on a dating app and ended with the murder of his former lover, a fellow cyclist his girlfriend was jealous of. Colin Strickland took the stand today to testify against his former girlfriend, Kaitlin Armstrong, who is charged with murdering one of his exes, Moriah 'Mo' Wilson Kaitlin Armstrong is shown on the first day of her murder trial. After Wilson and Strickland's secret meet-up, Armstrong's 2012 Jeep Grand Cherokee was spotted driving outside the Austin home of Wilson's friend, where the cyclist was murdered US Marshals launched a massive manhunt for Armstrong after she fled The day before the shooting, Strickland said Wilson texted him to let him know she would be in Texas for a race, and they discussed doing a short training ride in Austin. Strickland says he turned over his phone to the police and after leaving the police department, Strictland went to his father's house before returning home to Armstrong. He says he asked her if she went to Wilson's apartment and Armstrong responded that she went to a waxing appointment, a yoga class and went to see a healer at a business called 'Nasha's'.