Maine mass shootings: Police search for person of interest | USA TODAY

Maine police identified Robert Card, 40, as the person of interest in a shootings at a bowling alley and a bar that killed at least 16 people.
RELATED: Gunman at large after shooting at bowling alley and bar in Lewiston, Maine
At least 16 people were killed Wednesday and dozens injured after a gunman opened fire in a bowling alley and a bar in Lewiston, Maine, the latest mass killing in the U.S.