section of albany medical center investigators say they have heard enough for now. sweat saying escaping with richard matt wasn't as complex as you might think, using hacksaws to cut through their walls and a steam pipe they snuck out night after night. and they came across a sledge hammer breaking down a brick wall. they first tried one manhole in a dry run but it was too close to a neighborhood. >> they felt that 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 man hold where they were supposed to meet joyce mitchell. it was mitchell's idea to kill her husband before fleeing to