An unidentified man walked up to the Pentagon Metro Station at 6:35 p.m. ET. In the pre-screening area, Pentagon Force Protection Agency officers asked the man for identification per usual Pentagon-entry protocol.
The unidentified man reached into his coat and pulled out a handgun. He shot both officers. The officers were both wearing bulletproof vests.
The officers returned fire, striking the gunman numerous times.
The gunman suffered multiple serious injuries. Both officers sustained non-life-threatening wounds.
All three were transported to George Washington Hospital in Washington, D.C.
The suspect was identified by The Associated Press as 36-year-old John Patrick Bedell of Hollister, California. The suspect died hours later.
An unidentified official said a second person was being investigated in connection to the shooting.
A motive was not known.