>> here you go, man. >> when we met keith "precious" mason at the holman correctional facility in alabama, he was carrying on a sexual relationship with inmate marquez nobles. >> when i first met him, i told some of the other girls that he had the prettiest feet i've ever seen. i'm into feet, man. i like feet. >> as far as sex is concerned it is very, very frustrating and uncomfortable. especially if that's something you really want to do. basically it is done quick and quietly. >> for prison officials, sex is a complicated topic. >> i don't think you really crack down on homosexuality. you can't stop it. you can prevent it from happening openly. if the relationship is not causing a problem, generally we don't do anything with that. if they are not openly having