officers des moines brittenum and kevin walker have worked in death row for a total of 12 years.ey say they can never be too careful in there. >> an inmate may try to grab your arm, pull it into the cell so he can break it or stab it or, you know, cut it, slash it. >> there's been an instance where a spear was shot out at an officer when the food port was open. he opened the food port, turned and grabbed milk and breakfast items. and when he turned back around the inmate had some elastics set up to shoot out an arrow. >> he wasn't wearing these. but he was wearing a visor. so, we switched to these helmets because the face shield is thicker. it's harder. >> in spite of the riot gear, attacks at the adjustment center have continued. so prison officials took the extraordinary step of installing plexiglas shields to protect officers while they serve meals to prisoners. the shield has rollers which allow officers to slide it along a pipe running the length of the tier. still, the attacks have continued. >> they've been really tricky in there. one assault i can think of, the officer wa