** FILE ** The media and spectators watch as authorities drill for soil samples in the floor at a Roseville, Mich., home on Sept. 28, 2012. Police have been told by a source that former Teamsters boss Jimmy Hoffa may be buried beneath a driveway. (Associated Press)

Photo by: Paul Sancya

** FILE ** The media and spectators watch as authorities drill for soil samples in the floor at a Roseville, Mich., home on Sept. 28, 2012. Police have been told by a source that former Teamsters boss Jimmy Hoffa may be buried beneath a driveway. (Associated Press)