Appeal. then his second. then third. >> denied. denied. denied. >> so, malcolm in his friend demarco, started writing letters. >> who did you rate? to >> anybody in the legal fields that i could think. >> what did you say in these? letters >> man, i just need somebody to look at this case. and they will see. >> they wrote thousands of letters, day after day. for 11 years. finally, in 2006, private investigator eric collin, the son of a tulsa homicide detective, took on the case. >> i kind of described malcolm in the marker, as letters disk as scratches on the wall. i just kind of imagine, woul...