Prisoners of Vorkuta
The Prison Knife is a melee weapon used in the mission "Vorkuta" in Call of Duty: Black Ops and is the default melee weapon in Mob of the Dead in Call of Duty: Black Ops II. It is a piece of metal with black tape around one end. Mason acquires it after killing the guard attacking Reznov with a rock in the opening scene. The player may use the prison knife for as long as they wish. After Alex Mason has acquired the Makarov, the prison knife is no longer equipped.
- The player can kill all the guards in the mine tunnel on the way to the elevator with the knife.
- It's impossible to lay down with the Prison Knife: even after diving, Mason will automatically crouch.
- After Mason discards the Prison Knife in Vorkuta, he will start to use the standard knife when the player presses the 'knife' button.
- The mobsters in Mob of the Dead also use the prison knife.