Historical clue formulations

• Sting that was the inspiration for the 2013 film "American Hustle" — 2020-06-30
• Sheikh-down of the F.B.I.? — 2019-05-10
• Carter-era F.B.I. sting that inspired "American Hustle" — 2015-07-14
• 1970s-'80s F.B.I. sting — 2012-11-25
• Sting in 1980 headlines — 2010-12-04
• F.B.I. operation involving a nonexistent sheik — 2010-08-11
• U.S. political scandal involving a fictional sheik — 2010-03-17
• F.B.I. scandal of the 1970s-'80s — 2010-03-14
• 1978-80 F.B.I. sting that forced a U.S. senator to resign — 2007-03-02
• Early 80's political scandal — 2005-03-22
• 1978-80 F.B.I. investigation — 1999-09-22
• F.B.I. sting of the late 70's — 1998-02-08
• F.B.I. sting of the late 70's — 1997-09-19