sweat was so frustrated they split up. matt was shot several days later and authorities could smell alcohol on him from several feet away. we have cnn's kyung lah with more on the story. >> reporter: david sweat has been talking from his hospital bed. he was leading investigators to understand it was easier to break out of the correctional facility than anyone could have imagined. sweat detailing to investigators that he and his accomplice used hacksaws to get out of their jail cells and cut into some of the piping. that they were able to slip in and out of their cells at whim. they made it to an under ground passage way. it is there they found a sledgehammer apparently left behind by a construction worker. they used that sledgehammer to get further out. they were able to do a dry run. first getting into one manhole.