worker. breaking down a brick wall to make their way out. sweat tells investigators the escapees tried one manhole in a dry run but it was too close to a neighborhood. >> he felt due to there being a number of houses in that area that it might not be a good spot to exit from. >> reporter: the next night they tried again. finding a more isolated manhole where escapees were to meet joyce mitchell. sweat said while he was the mastermind it was mitchell's idea for the men to kill her husband before fleeing to mexico. mitchell's attorney said she denies that allegation. when mitchell didn't show up matt and sweat headed towards canada. as the intense manhunt through the dense woods dragged on sweat said he grew frustrated with matt because he was out of shape and couldn't keep up. sweat said the two went their separate ways after matt broke in to a cabin and started to get drunk. it was after the two split up that sweat had his closest call