Police say two men approached the Dunbar armored car at around 1:30 p.m. on Thursday on Eastern Marketplace Plaza.
Witnesses told police that multiple shots were fired.
The men fled the scene in a vehicle without taking anything.
Police caught them a short time later on Fairfax County Parkway near Rugby Road.
The driver 27-year-old Jarrod A.Williams is charged with attempted robbery and use of a firearmduring the commission of a felony.
Officers say the driver was arrested immediately. The passenger was suffering from a single gunshot wound and was transported to a local hospital in life-threatening condition.