Carl Anthony Williams was an Australian convicted murderer and drug trafficker from Melbourne, Victoria. He was a central figure in the Melbourne gangland killings as well as their final victim.

HM Prison Barwon or informally Barwon Prison, an Australian high risk and maximum security prison for males, is located 6 kilometres (3.7 mi) from the township of Lara, near Geelong, Victoria, Australia. The facility is operated by Corrections Victoria. The prison provides accommodation and services for remand and sentenced prisoners detained under Victorian and Federal legislation.