Roseville Police Department detectives carry soil samples removed from a shed floor 

Roseville Police Department detectives carry soil samples removed from a shed floor of 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)
Associated Press
Roseville Police Department detectives carry soil samples removed from a shed floor of 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)
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