>> 25-year-old manuel martinez, a self-proclaimed gang member being held on forgery charges has reached the end of his rope. >> during a routine security walk, he was attempting to hang himself and we pulled him out. the next step we move to psych and he stays for evaluation and ends upcoming back. >> you have to watch out because it can be a set up. they want to you come in and they are ready to take an officer out. >> step out. to your left. left foot or right foot up. either one. >> he was here on all fours with a noose around his neck crying and crying for his girlfriend. as soon as we started to open the door and come in, he got up and flushed the noose in there. >> i just need someone to talk to. >> he was doing fine throughout the day. no inclination that he had problems. just like that, down. >> it wasn't so much hanging b you the strangulation. it's hard for them to hang because there is nowhere to swing from. they strangle themselves. >> martinez will be on suicide watch and moved to a padded safe cell where he will be held pending evaluation from the jail's psychiatric staff.