The MTF Mu-13 "Ghostbusters" are the ones carrying the duty of containing intangible, ghostly, invisible, or near-invisible entities. They are the kind of people who would probably deal with ghosts or poltergeists with guns or containing equipment capable of capturing and containing intangible entities or anomalies. SCPs such as SCP-6501 and SCP-4973 are one of the SCPs that the MTF Mu-13 dealt with.
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