corrections officer holds a gun at a roadblock on Saturday, June 27, 2015, in Malone, N.Y. The shooting death of Richard Matt, one escaped killer brought new energy to the three-week hunt for David Sweat, a second escaped murderer in the United States as helicopters, search dogs and hundreds of law enforcement officers converged on a wooded area 30 miles from Clinton Correctional Facility. (AP Photo/Mike Groll)

Photos: David Sweat arrest

A state police sergeant shot David Sweat in the town of Constable, about 1½ miles south of the Canadian border.