Per 
Special Containment Procedures: It Is kept in a Large windowless containment unit with constant video surveillance. No one is permitted in.
and if it is to escape long range weapons are to be used no close contact is permitted.
Description: The creature is a dark green, 10 legged, lizard like entity Wearing 8 human skulls as a crown.
It has never been shown to eat anything but always seems hungry. Any one that goes into it's containment unit and comes within 50 feet of it Are instantly
engulfed by a dark sticky mist.
The mist seams to be very panful and as the mist surrounds the victims the creature makes a eerie grin. the people consumed by this mist melt and dissolve after a few seconds.
It dose not use the mist on any occasion but to kill any type of life form. it's only other non activity is pacing around the room.
Discovery. There where reports of a large creature resembling a crocodile in many peoples back yards and many missing people cases where ever it was reported.
It was contained after figuring out it had a 50 "death circle" In all directions. They used 60 foot pols with large grabbing claws on there ends It was carried away under a helicopter.
footnotes.
5 scp personnel where killed in the proses of containing it.
