a new york state trooper spotted sweat less than two miles from the canadian border and shot him. this was after matt was shot and killed. we have team coverage beginning with sarah in albany. it's where sweat is in critical condition. any other information and what do the investigators want to have happen as soon as possible? >> reporter: that's right, chris. good morning. he is in critical condition here. that key detail is critical that he is still alive. investigators are going to want to talk to this man to find out who may have helped the two escape. more than 1300 law enforcement officers were involved in this search. near the end, it came down to one new york state trooper, who not only spotted david sweat, but was able to capture him alive. >> at this time his condition is listed as critical.