with one of their citizens on death row, the british government asked clive stafford smith to investigateris' case. clive was a young idealistic lawyer this made a name for himself fighting death penalty kise a pro bono basis. >> by the time i got there in '94, he had been sentenced to death, gone to the supreme court on appeal, come back down. my first thought of, my good not, how did i let myself in for this. >> despite his reluctance, clive agreed to meet with the man he presumed of guilty. >> i never talk to people when i first meet them about did you to it. they don't know that, they don't trust you. kris of one of those rare poem who inexisted on giving a -- insisted on giving a lecture about the fact he didn't do it. it was convincing, although i will say the evidence of strong at the time. >> as a former cop, don had doubts about the case. >> initially i thought kris just killed these guys. but i'm looking to see where the evidence takes me, and it didn't add up. the deeper i got into the investigation, it began to dawn on me that kris was innocent. >> drum is very, very loyal to