U.S. officers shot a Canadian man who walked toward a border inspection booth waving what they said looked like a handgun early Sunday . U.S. Customs and Border Protection said in a statement that the man stopped his car around 3 a.m. near a booth on the Ambassador Bridge , which goes between Detroit and the Canadian city of Windsor . As he walked toward them with what appeared to be a black handgun , the officers ordered him to drop the weapon , the statement said . When he pointed it in their direction , they opened fire . Officials at first said the man they shot had been waving a handgun . But investigators later determined that the man was holding a replica of a handgun , U.S. Customs and Border Protection spokesman Kris Grogan said . Authorities have not released the identity of the man , who they described as a Canadian citizen . He was shot in the arm , treated for his injuries and then taken into custody , Grogan said . Citing Windsor police , CNN partner CTV said the man has had previous encounters with Canadian law enforcement and confronted police officers minutes before the shooting on the bridge . After receiving a call reporting a man with a gun in the parking lot of a McDonald 's near the border around 2:40 a.m. , Windsor police officers arrived at the scene and ordered the man to drop his weapon , police said . According to police , the man said , `` Why have n't you shot me yet ? '' Then he got back in his vehicle and drove away . The Department of Homeland Security 's Office of the Inspector General , U.S Customs and Border Protection 's Office of Internal Affairs and the Detroit Police are investigating .
Investigators determine a man shot at the border had a replica of a handgun . CNN and U.S. Customs says officers shot a man on Windsor . He was treated for his injuries and taken into custody , a border patrol spokesman says . CTV partner Border Protection reports the man had previous encounters with law enforcement .