Misconduct at the Transportation Security Administration has risen over the last three years, according to a new Government Accountability Office report faulting the agency’s process for monitoring employee misconduct.

“TSA investigated and adjudicated approximately 9,600 cases of employee misconduct from fiscal years 2010 through 2012,” the GAO reported. “From fiscal  years 2010 through 2012, the annual number of TSA misconduct cases  increased from 2,691 to 3,408.”