he ditched him. >> right. >> days ago. >> exactly. one of the things is dna evidence suggested richard matt was very sick that either he had eaten something or had something to drink that was actually reacting very badly in his body. >> held him back. >> together they were successful. sweat is telting investigators he decided to go it on his own because he felt richard matt was holding him back. when you think about it david sweat was able to get a mile and a half from the canadian border. he was dressed in camouflage. we've heard about the pepper shakers the men were using apparently to throw the dogs off their scent. but the camouflage clothing belonging to someone else was mack making it much more difficult for investigators to find them. getting back to when the men split, they believe it was sometime midweek. investigators are working on the premise that in fact one of the reasons richard matt wanted to take that camper van, remember he shot at the von, very carefully not as to blow out a