The subject of this article appears in Call of Duty: Black Ops 4 The subject of this article appeared in Zombies mode

"They do not understand, right? They don’t see what you are trying to accomplish. I will show them. They want it weaponized? I will show them what weaponized does, soon! They will know! [...] I am doing what I have to do. You all must understand. [...] Then you will all learn a hard lesson in how disobeying her wishes has consequences! I am sorry. I have to get her out of my head. Goodbye... Doctor Schuster."
— Layman after releasing the gas.

Doctor Layman is a character featured in Zombies map Classified from Call of Duty: Black Ops 4.

Doctor Layman worked with Doctor Schuster on creating zombies that are docile and obedient. After using a copy of Edward Richtofen's journal acquired by the Ascension Group, Layman managed to create docile zombies by vaporizing Element 115 and made living tests subject inhaled it. Unfortunately for Layman, by reading Richtofen's journal he started hearing the voice of Samantha Maxis.

On October 18th, 1963, angry that the army was more interested by the gas he created and consumed by the voice of Samantha, Layman released the gas inside the Pentagon before killing himself.

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