Historical clue formulations

• Suspect — 2024-10-16
• Underhanded — 2022-11-08
• Not to be trusted — 2022-09-23
• Of questionable repute — 2019-09-18
• Suspicious — 2016-11-23
• Suspect — 2009-02-15
• Blocked from sunlight — 2006-12-04
• Not quite legit — 2005-09-04
• Disreputable — 2005-01-17
• Disreputable — 2003-06-09
• Like some dealings — 2002-08-11
• Like a con artist's business — 2000-09-14
• Questionable — 1996-10-11
• Darkened — 1996-04-11
• Disreputable — 1994-03-14
• Crooked — 1993-12-25