richard matt and david sweat planned their escape from the maximum security prison. sweat confessing that he and matt were going to run away to mexico with joyce mitchell. when mitchell didn t show up, the duo headed toward canada instead. but 18 days after their escape the men separated sweat telling investigates 49-year-old matt was slowing him down. a source telling cnn there s evidence matt was sick possibly from contaminated food or water. an examination of his body found blisters on his feet and minor cuts. breaking out of a maximum security prison and evading police for three weeks, jump was plan a. reporter: inside sweat s bag there were tools, bug spray and pop tarts. the dna found inside this cabin