Sept. 30, 1957: Jimmy Hoffa waves to delegates at the opening of the Teamsters Union convention at Miami Beach, Fla. Hoffa's mysterious disappearance, assumed death and myriad searches for his body have been the stuff of urban legends for more than three decades and continue with the most recent report that the former Teamsters chief's remains are buried beneath a concrete driveway just north of Detroit.

Associated Press

This undated photo shows Teamsters Union President James R. Hoffa, left, stands with Anthony Provenzano, right, and fellow union members during Hoffa's visit to New Jersey. A self-described mafia murderer who served prison time with Hoffa told a U.S. Senate committee that the teamsters boss was killed at Provenzano's orders.

Associated Press

Dec. 5, 1975: A man walks over a rubble field in Jersey City, N.J., one of the locations where authorities searched for the body of missing former Teamster boss Jimmy Hoffa.

Associated Press

July 16, 2003: Authorities search under a backyard pool in Hampton Township, Mich., for evidence linked to the disappearance of ex-teamster boss Jimmy Hoffa.

Associated Press

May 24, 2006: Workers, including Federal Bureau of Investigation evidence response team members, probe the ground near a demolished barn at a horse farm in Milford Township, Mich., where FBI agents investigating Jimmy Hoffa's 1975 disappearance were working for an eighth day. Hoffa's mysterious disappearance, assumed death and myriad searches for his body have been the stuff of urban legends for more than three decades.

Associated Press

Feb. 4, 2010: Workers watch as a machine begins the demolition of Giants Stadium, in East Rutherford, N.J. Self-described hit man Donald "Tony the Greek" Frankos claims ex-Teamsters boss Jimmy Hoffa was buried under Giants Stadium, but the FBI found no evidence to support the claim.

Associated Press

Sept. 26, 2012: A tipster said a driveway in Roseville, Mich. could be the final resting place of missing Teamsters leader Jimmy Hoffa. Authorities plan to take soil samples from under the driveway. Hoffa's mysterious disappearance, assumed death and myriad searches for his body have been the stuff of urban legends for more than three decades.

Associated Press