Harry Pierpont was a notorious American bank robber and member of the infamous Dillinger Gang during the Great Depression era.
Alexander Solonik was a notorious Russian contract killer, dubbed "The Superkiller," known for his ruthless tactics and high-profile hits.
Richard Kuklinski, a notorious American contract killer and mafia hitman, earned the moniker "The Iceman" due to his chilling methods of freezing victims to conceal time of death.