. >> reporter: then we met an inmate travis wolfkill. >> in the name of satan the ruler of the earth the chemical and biological of the world, i command the darkness to be bestowed upon me. i'm in the satanic group here. it's only about four of us here. it's a real small community. the church of satan is about enjoying life, it's about doing what you want to do. we believe in indulgence rather than abstinence. we believe in doing what makes us happy, improves the quality of our life. >> reporter: such an attitude may have been what led wolfkill to a life sentence without the possibility of parole for murdering his grandmother of a $300 texas check. he told us he has a saflation is of sorts. >> this has the 11 satanic rules of the earth. if you look at number nine, it says, do not harm little children, number ten says do not kill non-human animals unless you are attacked for your food that destroys all the bad stereotype have you about this religion. there is no human sacrifice. >> reporter: later in our meeting, we asked wolfkill to clear points about his church's doctrine. >> you ha