Ex-Detroit cop linked to wrongful convictions admits doubts over key evidence from the start Within six months, three men housed on the 9th floor lock-up at Detroit Police Headquarters will be convicted of separate murders that most of the evidence showed they had nothing to do with. and last updated 2021-04-14 20:51:29-04 DETROIT (WXYZ) â Itâs November 1994. Within six months, three men housed on the 9 th floor lock-up at Detroit Police Headquarters will be convicted of separate murders that most of the evidence showed they had nothing to do with. The first was Larry Smith, then Ramon Ward and then Bernard Howard.