Media and spectators watch as authorities drill for soil samples in the floor at a Roseville, Mich., home Friday, Sept. 28, 2012. Police have been told by a source that former Teamsters

 

              Media and spectators watch as authorities drill for soil samples in the floor at a Roseville, Mich., home Friday, Sept. 28, 2012. Police have been told by a source that former Teamsters
Media and spectators watch as authorities drill for soil samples in the floor at a Roseville, Mich., home Friday, Sept. 28, 2012. Police have been told by a source that former Teamsters boss Jimmy Hoffa may be buried beneath a driveway. (AP Photo/Paul Sancya)