Armstrong ruined the careers of his colleagues that didn't want to participate in his doping. He was the doping kingpin. https://www.espn.com/video/clip/_/id/2

Armstrong ruined the careers of his colleagues that didn't want to participate in his doping. He was the doping kingpin. https://www.espn.com/video/clip/_/id/29240335 https://www.espn.com/video/clip/_/id/29240335 Here's Lance chasing down another rider and publicly threatening them to "zip their lips" when they were trying to go public about the doping in the peloton.