Pentagon Thief

The Thief is an enemy who appears on the Zombie Map "Five", replacing the Hellhounds. The Thief teleports around the map and steals the player's weapons.

Overview
The appearance of the Thief is somewhat like a mad scientist covered in a red aura of numbers. Whether the Thief is killed or not he will leave a Max Ammo. If he is not killed, the weapon he took is lost, but if he is killed he drops a Max Ammo, another power-up, and gives the player's weapon back. If he is not killed, the ammo will be placed in the room where the electricity is turned on. The Thief is very strong, being able to withstand multiple knife wounds or sustained automatic fire from a full 4-player team. Note that if the thief manages to steal your gun you will be immediately teleported to the science labs (if you're not there already).

When the Thief arrives, it best to equip a bad, cheap, easily obtainable, or empty gun so that if he does steal from you, the impact is minimal. If you do not have a cheap gun, equip a gun that can be bought on level 3 because that's where the thief will take you. Also note that the Thief will not chase you if you only have one gun.

To avoid The Thief from stealing your gun in the first place, the player should have a light weapon like SMG's or pistols and make sure that he/she have a large path that they can can circle many times as they run away from him. Since the player does run slightly faster than him with light weapons, teammates can pick him off while the player runs around the said path until he dies. He will also sprint at the player if the player fires at him.

Killing the Thief before he can steal anybodies weapons will trigger a Bonfire Sale.

Trivia

 * It is unclear whether or not the thief is a zombie.

It is possible the thief is a scientist from group 935.
 * When the 'Thief Round' starts, a voice will say "Warning, breach detected on level three, initiate security protocol 115" referring to Element 115, the atmosphere will also have a pale blue tint.
 * The Thief is the smartest and most advanced of all enemies in the zombie saga, considering his tactics.
 * Once the Thief is defeated he will say "I have failed" in a zombie like manner which the Thief is still unclear if he is a zombie or not.
 * The Thief seems to be based off a real live scientist, Erwin Schrödinger
 * Note that no Thief rounds will occur unless you open the barricade blocking the elevator to the Science Labs.