Navy Yard shooting (2013)

Navy Yard shooting (2013)
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Title	Navy Yard shooting (2013)
Location	Naval Sea Systems Command, Washington Navy Yard, Washington, D.C.
Date	September 16, 2013
Time	8:20 a.m. EDT
Type	mass shooting, workplace shooting
Fatalities	12 (including shooter)
Perpetrator	Aaron Alexis
Weapon	shotgun, semi-automatic firearms

Navy Yard shooting (2013)

The Navy Yard shooting occurred on September 16, 2013, at the Naval Sea Systems Command headquarters in the Washington Navy Yard in Washington, D.C., resulting in multiple fatalities and injuries and prompting investigations by the District of Columbia Metropolitan Police Department, the Federal Bureau of Investigation, and the Naval Criminal Investigative Service. The attack drew national attention from officials including Barack Obama, Joseph Biden, and military leaders at Department of Defense facilities, and triggered reviews of security policies at installations such as Pentagon and Fort Meade.

Shooting

At approximately 8:20 a.m., an armed individual entered Building 197 at the Washington Navy Yard complex and began firing in corridors and offices, prompting responses from the Metropolitan Police Department of the District of Columbia, United States Park Police, and United States Secret Service units operating in the National Capital Region. The shooter moved through multiple floors of the Naval Sea Systems Command headquarters, encountering employees from organizations including the Naval Sea Systems Command (NAVSEA), Naval Sea Logistics (NAVLOG), and contractors from Booz Allen Hamilton, General Dynamics, and other defense firms. Local hospitals, including MedStar Washington Hospital Center, George Washington University Hospital, and Sibley Memorial Hospital, received casualties as tactical teams from the District of Columbia Fire and Emergency Medical Services Department and federal tactical units established perimeters near The Washington Monument and United States Capitol grounds. The incident was among several high-profile U.S. mass shootings that included comparisons to events at Sandy Hook Elementary School and Aurora, Colorado as media outlets like The Washington Post, The New York Times, and CNN provided live coverage.

Perpetrator

The shooter was identified as Aaron Alexis, a former United States Navy reservist and contractor who had previously served aboard USS Shiloh (CG-67) and USS John S. McCain (DDG-56) in other capacities and had been employed by firms including The Experts Exchange and JPC Staffing. Alexis had sought treatment at medical facilities such as Veterans Affairs Medical Center clinics in Texas and Virginia, and his background prompted inquiries by the Department of Veterans Affairs and the Navy. Alexis had received a security clearance to work at the Washington Navy Yard but had a series of encounters with law enforcement in jurisdictions including Fort Worth, Texas and Virginia Beach, Virginia. Investigators examined Alexis's military records, employment history with contractors that supported Naval Sea Systems Command, contacts with mental health professionals, and prior interactions with local police departments such as the Arlington County Police Department.

Victims

Twelve people were killed in the attack, excluding the shooter, and three were wounded; victims included civilian employees of Naval Sea Systems Command, contractors from defense companies like General Dynamics and Lockheed Martin, and support personnel from offices such as Space and Naval Warfare Systems Command and Defense Logistics Agency. Families of victims engaged with officials from the District of Columbia City Council, representatives from Maryland and Virginia congressional delegations, and members of the House Armed Services Committee and Senate Armed Services Committee as casualty notifications were coordinated by United States Navy casualty assistance officers. Funerals and memorial services took place at locations including Arlington National Cemetery and local churches in Alexandria, Virginia and neighborhoods of Washington, D.C..

Investigation and motive

The FBI, NCIS, and local law enforcement conducted a joint investigation into Alexis's motive, examining his internet searches, social media activity on platforms monitored by agencies such as Department of Homeland Security, and communications with employers including Booz Allen Hamilton and SRA International. Forensic analysis included ballistics testing by the Bureau of Alcohol, Tobacco, Firearms and Explosives, examination of weapon purchase records from dealers in Connecticut and Virginia, and medical record reviews coordinated with the Department of Veterans Affairs. Investigators considered potential ideological motives, workplace grievances involving colleagues at the Naval Sea Systems Command, and Alexis's history of mental health treatment; final reports described a complex interplay of personal history, access to firearms, and behavioral indicators that had not been fully acted upon by security-screening processes.

Response and aftermath

The shooting led to immediate security reviews at Washington Navy Yard, Pentagon, and other Department of Defense facilities, prompting policy changes and after-action reports by the Navy, Department of the Navy, and Department of Defense that addressed access control, background investigations, and coordination with the Homeland Security Council. Legislative and administrative responses involved members of Congress such as Senator Patty Murray, Representative Elijah Cummings, and hearings before the House Committee on Homeland Security and the Senate Judiciary Committee that examined gun purchase regulations, mental health reporting systems, and contractor vetting processes. Memorials and commemorations were established by organizations including the Navy Memorial, National Law Enforcement Officers Memorial, and local veterans groups; survivors and families received assistance from the American Red Cross, Wounded Warrior Project, and nonprofit advocacy organizations focused on victims' rights. The event influenced security protocols implemented at federal facilities and contributed to national discussions involving stakeholders like National Rifle Association and mental health advocacy groups such as National Alliance on Mental Illness.

Category:2013 mass shootings in the United States Category:September 2013 events in the United States