MSNBC Dateline September 25, 2021 09:24:00
He thought he'd get out as soon as he filed his first appeal. then his second. and third. >> denied. denied. denied. >> so malcolm and his friend de'marchoe started writing letters. who'd you write to? >> anybody in the legal field that you could think of -- >> and what would you say in these letters? >> i'm an innocent man. you know, i just need somebody to look at this case and they will see. >> they wrote thousands of letters, day after day, for is 11 years. finally, in 2006 private investigator eric cullen, the son of a tulsa homicide detective, took on the case. >> i kind of describe malc...