Historical clue formulations

• Illegal offerings — 2026-09-20
• Subjects of some political scandals — 2023-10-08
• Illegal sweeteners — 2019-03-01
• Payments made with a wink, maybe — 2018-10-11
• Sweeteners — 2016-07-02
• Unethical payoffs — 2012-03-06
• Pays off — 2005-02-24
• Buys off — 2003-07-15
• Buyoffs — 1998-11-15
• Corrupts — 1995-08-14