Historical clue formulations

• Keep adding to a heap — 2026-06-10
• Keep the hits coming — 2024-06-01
• Add criticism to criticism — 2023-10-09
• Not let up in criticism — 2015-01-01
• Join in the attack — 2014-11-15
• Add excessive criticism — 2012-11-19
• Keep adding to a heap — 2006-03-29
• Add insult to injury — 2005-08-19
• Keep adding — 2001-09-25
• Make some after-the-whistle contact — 1997-12-23