![](https://flashbak.com/wp-content/uploads/2019/12/Charles-“Chuckie”-O’Brien-leaves-court-in-Detroit-in-September-1975.-He-was-an-early-suspect-in-the-disappearance-that-summer-of-his-former-boss-Jimmy-Hoffa-1280x1805.jpg)
Charles O'Brien, foster son of ex-Teamster boss James R. Hoffa, missing since July 30, leaves the federal court building in Detroit, Sept. 4, 1975, after an appearance before a Federal grand jury investigating the disappearance of Hoffa. O'Brien spent only seven minutes before the grand jury, refusing to answer questions. Photo/Richard Sheinwald)