Article Photos: Police in Hoffa case take soil to campus experts



  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)

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)