Reports of multiple shooters “were likely reports of the same shooter from different perspectives,” Wentlandt said.
A law enforcement official told NBC News the gunman was dressed in a white T-shirt and black tactical-style pants, which had several pockets for holding ammunition magazines. He was armed with a single handgun, the official said. His name was not released but police say they have a tentative ID and were searching his home.
FBI and police converged on a duplex in Cudahy, south of Milwaukee and about six miles from Oak Creek late Sunday. Witnesses told NBC station WTMJ that neighbors and residents were told to stay away as authorities were investigating the home. An ambulance, armored vehicle and bomb squad were on the scene.
A police official later confirmed that law enforcement officials were executing a search warrant at the house.
Officials told NBC News the suspect, who served in the U.S. Army, had many tattoos. The suspect had some kind of radical or white supremacist views but, as far as officials said they had heard, he was not in any kind of radical organization. His previous run-ins with law enforcement involved traffic offenses, they said.