She was disqualified and left the track in tears .
During the second semifinal , the sister of Los Angeles Rams defensive lineman Robert Quinn looked to be on the verge of potentially qualifying before hitting the second - to - last hurdle and tripping over the final one .
sister was disqualified and left the track in tears .
During the second semifinal , the sister of Los Angeles Rams defensive lineman Robert Quinn looked to be on the verge of potentially qualifying before hitting the second - to - last hurdle and tripping over the final one .