was a crime scene. they put a plastic knife with ketchup on it and a brown glove. >> i asked him many times did you kill ronald goldman and nicole and he would just look at me. he would never answer like i went there and i shouldn't have. >> at lovelock simpson is often cautious about sharing too much of himself. >> he didn't really have an ace deuce, a go-to guy, a best friend. >> he had a sign on the outside of his cell, please don't ask, i don't want to have to say no. >> yet there is one place in lovelock where simpson is known for his generosity. the softball field. where he coaches and supervises the intramural prison league. >> o.j. is a great coach, super competitive, this guy. we were the giants because o.j. of course is from san francisco. the two years i played with him we took the championship. >> because of knee problems related to his nfl career, simpson is unable to engage in athletics himself which means he