WASHINGTON (Reuters) - Three federal law enforcement sources tentatively identified Aaron Alexis, a one-time Texas resident, as the gunman in a shooting on Monday at the U.S. Navy Yard in Washington.
The sources have been briefed on the investigation of the incident, in which at least 12 people were killed, including the shooter.
So far officials say there is no known link to terrorism.
Officials have yet to publicly reveal the name of the shooter.
(Reporting By Mark Hosenball and Chris Francescani; editing by Christopher Wilson)