Video footage from closed-circuit video cameras shows Aaron Alexis, now deceased, at the Washington Navy Yard on September 16, 2013.
The footage includes the following:
– Alexis drives his rental car, a blue Toyota Prius, through the Washington Navy Yard main gate.
– Alexis enters Building #197 carrying a backpack. Alexis had legitimate access to the Washington Navy Yard as a result of his work as a contractor and he utilized a valid pass to gain entry to the building.
– Alexis moves through the hallways and a stairwell of Building #197 carrying a Remington 870 shotgun.
FBI: Navy Yard Shootings