Historical clue formulations

• Conspiring (with) — 2023-07-06
• Conspiring (with) — 2019-11-02
• Joined (with) — 2017-10-16
• Plotting (with) — 2017-09-10
• Allied (with) — 2008-04-30
• Conspiring — 2008-02-08
• Working together (with) — 2000-06-02
• Scheming secretly (with) — 1999-09-03