The security clearance that failed to prevent a Navy Yard massacre
In short: In 2013, a computer contractor used a valid security pass to enter a high-security military facility and kill 12 people. The tragedy exposed deep cracks in the federal vetting process and the terrifying vulnerability of supposedly secure government installations.
On September 16, 2013, Aaron Alexis, a 34-year-old contractor, entered Building 197 at the Washington Navy Yard. Armed with a sawed-off Remington 870 shotgun and a 9mm Beretta M9 pistol, he moved through the 630,000-square-foot headquarters of the Naval Sea Systems Command. The attack, which began around 8:16 a.m. EDT, lasted over an hour, ending only when police killed Alexis at 9:25 a.m. The massacre left 12 victims dead—men and women aged 46 to 73—and several others wounded.
The investigation revealed a significant breakdown in the background check system. Although Alexis held a secret-level security clearance, the personnel report used to approve it failed to mention a 2004 arrest for shooting out vehicle tires. Furthermore, Alexis had provided false information on his application, claiming he had not been arrested in the previous seven years. The vetting was conducted by USIS, the same contractor responsible for the Edward Snowden investigation.
The incident sparked intense debate over military base security. Critics argued that the ease of entry via a Common Access Card (C.A.C.) left facilities vulnerable, as many areas lacked metal detectors or physical pat-downs. In the aftermath, the Navy launched a $44 million renovation of Building 197, specifically designed to alter the space's layout to mitigate the psychological impact on returning employees. While the tragedy prompted calls for stricter gun control and security reviews, the fundamental mechanisms of federal vetting remained a point of intense congressional scrutiny.
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Sources
- Summary by Intellect · source: Washington Navy Yard shooting
- Also: Gunman kills 12 in D.C. Navy Yard massacre | September 16, 2013 | HISTORY
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