Historical clue formulations

• Trickery — 2020-09-11
• Perfidy — 2016-11-30
• Cheating — 2016-09-10
• Trickery — 2014-01-15
• Smoke and mirrors, say — 2013-05-29
• Scammer's skill — 2008-12-18
• Iago's specialty — 2003-08-05
• Whitewash — 2000-11-29
• Falseness — 1998-02-23
• Trickery — 1997-03-30
• Duplicity — 1996-02-18