bronx six were overturned. for both the cab driver murder and fed-ex executive denise raymond. this is carlos perez, 25 when he was locked up. finally a free man at 44. >> i even wrote the president. i think it was 1995. who was it, clinton? bush. i don't know who it was. i said mr. president, i'm innocent. but nobody listened. >> devon ayers. he was 19 when he was convicted. >> i spent all of my 20s and most of my 30s there. so i'm just trying to get on with life as i know it as today. >> and michael cosme. remember him? he was the only one videotaped by police. >> i only have one thing to say, though. i'm innocent. i didn't do it. i wasn't there. >> this is michael 18 years later. finally, someone believed him. and while we now know those two gang members confessed to the cab driver's murder, fed-ex executive denise raymond's killer or killers have never been brought to