the man detective sergeant rick jackson has been chasing for a year. >> i know that i am not dressed they caught lukah chang -- danny woo and rushed in. >> are you willing to talk to me? >> to a certain point. >> the chief and the d.a. watched. >> i expected him to ask for a lawyer. i wasn't sure how he was going to respond. >> but all of them were in for a big surprise. >> what is your name? >> my name is lukah chang. >> sure enough, not danny woo. lukah chang, the son of christian missionaries. a deserter from the u.s. marines who drifted into town without a plan, stayed in that downtown motel where he encountered a made named amyjane. >> did you talk to her? >> no, only in passing. >> soon chang was broke, living on the street, spending his days at the town library. >> i saw her working. i just walked away. >> along did you have to wait? >> probably half an hour. >> you are thinking to yourself what? >> i'm going to do it. >> you grabbed her and then what happened? >> i stabbed her. >> with what? >> a knife. >> when detective jackson tried to get into his head the conversation vee