remainder of his 2 1/2 year sentence at boston's house of correction but it might not be an easy stay. he was recently involved in a brutal fight, caught in a jail surveillance camera. >> he thought i was a punk, you know. he thought he could talk to me any way he wanted. not one time did he bother me that day, but twice. so i have to do what i got to do, you know? >> what did you do. >> i [ bleep ]ed him up. smashed him. smashed him. smashed him out. >> the tape is reviewed by captain michael colewell. >> this inmate here who's removed his shirt, he's approaching corey allen and delivers the first blow in what turns out to be a pretty significant altercation. ultimately inmate allen gets the upper hand here and delivers what you see here, a succession of blows to the head and, closed fist punches to the head and torso.