Historical clue formulations

• Ice pack? — 2021-12-29
• Ones who are sent packing? — 2021-09-17
• Contract killers — 2020-12-30
• Ones used by the Mafia — 2016-02-22
• Ones given money to waste? — 2012-11-24
• "The Sopranos" roles — 2010-12-12
• Erasers? — 2006-01-29
• They're given money to waste — 2002-03-31
• Contract workers? — 2001-12-04