the ice man you speak of was called that because he stored bodies in ice lockers but it has also been used as a moniker ie iced(probably related to the ice man)

the ice man you speak of was called that because he stored bodies in ice lockers but it has also been used as a moniker ie iced(probably related to the ice man) and is used to mean a hit or assassination. serial killers nikenames get reused as well like ripper killer monster strangler etc.