special observation unit. an inmate has been throwing chairs and trash throughout the day room. when they arrive the inmate has returned to his cell. >> look, look at the door! but since it is arnulfo guerro, the matter is far from closed. guerro has been at the center of several disturbances and is prone to frequent mood swings. they reached the peak one month earlier when he attempted to hang himself. and while staff no long eer consider guerro suicidal they continue to keep him under close observation. >> he is upset because another officer, allegedly kicked his door last night and threw his food tray into his cell. through the slot. [ speaking foreign language ] >> guerro says the officer left a dinner tray in his open food