. >> david benny taylor is 60 years old, serving a life sentence for kidnapping and robbery. he entered folsom prison in 1975 when it was terrorized by sophisticated killers and gangs. >> the stabbings have been numerous. some of them have been right in front of me. and when you see a person die, it sort of makes a change in you forever. the change makes you realize how tenuous life is and how important life is and how one minute you can be alive and the next minute you can be dead and it doesn't matter who you are. you can be the warden or you can be an informant. everything in between, you can be alive one minute and dead the next minute. that's something you learn when you see these stabbings occur around you. and some of them die. the code requires that you act like you didn't see it. >> i can recall those days vividly. we average anywhere from four to six gunshots a day at this prison. and you are constantly carrying a gurney with a wounded man on it, and many times the man was dead. >> lieutenant tom ayers, a former marine, has been a correctional officer at folsom for