The suspect, identified by authorities as Vance Luther Boelter, posed as a law enforcement officer to gain access to the victims' homes.

The massive search for the man suspected of shooting two Minnesota lawmakers, one fatally, concluded on Sunday evening when he was arrested by police, multiple sources confirmed to ABC News. Vance Boelter,

The man suspected of shooting two Minnesota lawmakers, killing one of them, has been taken into custody, two law enforcement officials said.