. >> in 2004, karen talley was in her sixth year as correctional officer at indiana state prison whenrutally attacked by an inmate, she nearly died. we met her two years later. >> you know, they all know me. the guys know me. i used to work in the intake unit when the new arrivals would come in. they know me. i'll be all right. never imagined it for all these years later. never imagined it. >> at the time of the attack, officer talley was responsible for supervising "b" cell house. an important part of her job was securing the inmates back in their cells with a system called, rolling of the bar. an older, manual cell locking device. >> that day, chow lines had run late. i said, come on, guys, go in your cells. you miss roll-in, you know what happens. i figured all of them would be in. i rolled the bar. bigger than anything here is three of them didn't make it. so i went down the range. i started at the end and worked my way up. the last cell that missed roll-in was 424. i locked his door. went to 418. locked his door. went to the next cell -- 410. i said, come on, go on in your cell.