The Pilot Flying J headquarters is seen Monday, April 15, 2013, in Knoxville, Tenn. FBI Supervisory Special Agent Marshall Stone said that FBI and IRS agents arrived at the corporate headquarters as ... more 
The Pilot Flying J headquarters is seen Monday, April 15, 2013, in Knoxville, Tenn. FBI Supervisory Special Agent Marshall Stone said that FBI and IRS agents arrived at the corporate headquarters as part of a “ongoing investigation.” (AP Photo/Knoxville News Sentinel, J. Miles Cary) less 
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Associated Press | Photo By Knoxville News Sentinel, J. Miles Cary
Tue, Apr 16, 2013 5:39 PM EDT