Aaron Alexis

FILE - In this Sept. 19, 2013 file photo, military personnel walks past an entrance to the Washington Navy Yard in Washington. Two years after the shooting at the Washington Navy Yard, families whose loved ones died are filing multimillion dollar lawsuits against companies they say could have prevented it from happening. (AP Photo/Charles Dharapak, File)

One decade after Navy Yard shooting, major changes made to ‘insider threat’ approach

The Navy Yard shooting was a “wake up call,” in the words of one expert, for the government’s security apparatus. Ten years later, ideas like continuous…

Federal Report

James Clapper, Director of National Intelligence/AP

ODNI issues social media guidance for background checks

Hiring/Retention

FILE - In this Sept. 19, 2013 file photo. military personnel walks past an entrance to the Washington Navy Yard in Washington. An official says shots have been reported in a building on the Washington Navy Yard campus. (AP Photo/Charles Dharapak, File)

Whistleblowers warned of security gaps prior to Navy Yard shooting

DoD Reporter's Notebook

White House backs 13 recommendations to improve security clearance process

Defense

Pentagon reviews find Navy Yard shootings were preventable

Defense

Background check firm in hot water for ‘flushing’ records

Management

DOJ joins whistleblower suit against company that vetted Snowden, Alexis

Management

Federal building security at risk due to lax training, oversight

Congress

Quality not a priority in security clearance process, GAO says

Federal Drive

OPM defends 2007 background check of Navy Yard shooter

Defense

Four years after Ft. Hood, Pentagon still studying base security

Defense

Senators seek probe into how Navy shooter got clearance

Key senators on the Homeland Security and Governmental Affairs Committee are seeking answers into how the contractor employee responsible for the mass…

Congress

Obama, DoD order reviews of security procedures

In the wake of the shooting in which 12 civilian and contract employees were gunned down at the Washington Navy Yard Monday, Defense Secretary Chuck Hagel…

Details emerge about Navy Yard shooter Aaron Alexis

Defense

A profile is emerging of Aaron Alexis, the man identified as the lone gunman in the mass shooting at the Washington Navy Yard in Washington, D.C., that left 13 people dead Monday, including the shooter himself. Alexis was a former Navy reservist, a Defense Department contractor, a convert to Buddhism and a student of aeronautics. But he also had flashes of temper that led to run-ins with police in Fort Worth, Texas, and Seattle.