Security clearance lapses stemmed from Washington’s heedless emphasis on speed over quality

By Rebecca LaFlure

Profits and politics, plus a sudden growth in secrecy-obsessed institutions, played key roles in misguided security clearance decisions.

Audit reveals widespread problems in security system used by the Navy

By Rebecca LaFlure and R. Jeffrey Smith

The U.S. military is widely using a security system that lets felons onto its bases.

TSA cannot guarantee accuracy of 900,000 airport security badges

By Alexandra Duszak

More than 10 percent of TSA badges have errors

Badly flawed background check system fails to contain firearms sales

By Rick Schmitt

Background check system is plagued by a host of data problems, loopholes and disputes over just who should be barred.