FBI reveals new details about shooting at NSA campus 01:20. A National Security Agency police officer opened fire Wednesday morning on a vehicle at an entrance to the intelligence agency's campus ...

The driver of the car, an NSA police officer and a civilian onlooker were injured during the incident and transported to a local hospital, according to Johnson.

Two others — a civilian and a police officer — sustained non-life threatening injuries in the ordeal that unfolded at 6:55 a.m. The FBI said they believe none of the injuries was from gunfire.

The driver of the vehicle, an NSA police officer and a civilian who happened to be at Security Gate 1 when the shooting started were hospitalized, Johnson said.

An NSA spokeswoman declined to make available the police agency’s rules for using deadly force guiding officers protecting the sprawling spy agency, whose existence was once classified.

4:20 p.m.: Mary Phelan, a spokeswoman for the Howard County Police Department, says the car involved in the NSA shooting was stolen Monday morning from a hotel in Jessup, Maryland. She declined to ...

An NSA police officer opened fire Monday morning when two men dressed as women and driving a stolen car tried to ram through the gates at Fort Meade — and one suspect was killed, sources said.

An NSA police officer was treated for minor injuries and released. Hall, 27, was accompanied by a second man who was not identified and who remained hospitalized Tuesday with unspecified injuries.

Three men were taken into custody Wednesday after a vehicle attempted to enter the National Security Agency's headquarters in Fort Meade, Maryland, the FBI said. Shots fired, 3 in custody after ...

In this image made from video and released by WJLA-TV, authorities investigate the scene of a accident near a gate to Fort Meade, Md., on Monday, March 30, 2015.

Officers opened fire after two men dressed as women refused to stop Monday at the National Security Agency gate at Fort Meade and then smashed into a police vehicle blocking the road, officials said.

Court documents show that a cross-dressing man killed during a violent encounter at the National Security Agency had a history of theft and assault, and was mistaken at least once for being a woman.