but shawn schaeffer's interview was one of the more unusual ones we conducted.e segregation unit of prison haselt, a maximum security facility. >> on 30 december, i killed my wife. >> okay. why and how? >> i killed her with a big knife. >> why? >> because i had no gun with me. >> okay. but why did you kill her? >> oh, why? i was very, very angry that she want to leave. for her, no problem, huh? but she wants to take my son. and she wants to move with the son to germany. >> schaeffer, a korean adopted by a dutch family, said he had outstanding charges in germany, that could have led to a two-year sentence if he followed his wife into the country. after arguing, he stabbed her numerous times. >> three times in the neck. two times in the back. two, three, the total was ten stabs with a big knife. >> how big? >> kitchen knife. >> in the middle of the interview, something unusual happened. >> we're in the middle of this interview with shawn and i noticed a distraction coming over my right side, and it was actually an officer. he was holding a wrist watch that apparen