jack nutter is isp's longest serving inmate. >> this is a picture of me at 18 when i first came in.ng down on death row. >> nutter is serving a life sentence for the murder of a deputy sheriff. >> i hate it. i was young and i lost all that time. in january of '56, me and four other kids were all going to california. i stole a car and we got stopped in independence. they said i was speeding. i grew up, if you get in trouble and somebody's with you, you try and help them out. that's what i did. a shot a police officer. i was convicted of first-degree murder, killing a police officer. i was sentenced to death. i have been here 50 years. i'm 68 years old. >> over the decades he has been at isp, nutter has watched the inmate population change drastically. >> when i came in it was bank robbers and forgers and car thefts. now it's mostly drugs and kidnapping and things like that. >> an awful lot of them are here by a virtue of their conduct at other prisons. this is the end of the road for them. >> estelle has been at isp for 20 years. >> i got two life sentences, my charges are first-degr