Per 
The SCP known as SCP-6199, or The friend who lives in my walls is a strange humanoid creature with white thick skin, like other SCP'S like SCP-096, SCP-3199 ect. This is a Euclid class object who is a highly
malicious creature with a height of, 10ft or 3.048 meters. containment location: site-151. This creature is highly cruel because, it dose NOT need to eat or prey on humans, so for that it will kill any one on sight. DO NOT look at it it will get an urge to kill you, like the behaviour of Euclid class object (SCP-096
or The shy guy).
Containment Procedures:
At all times have a drone above it's head with a hook hanging down of the length of 2ft with a black paper bag over it's head. It must be in a 6 by 4 containment cell, with the walls being 2 meters long of fire resistant concrete. It is required every 6-24hr to have blood samples to be taken by D-class personal or former raiders. So this SCP can num down because if not it would go crazy and protocol
TCS6 would be put in place.
In case of incident:
If the bag is taken of by SCP-6199 while D-class personal or foundation personal is in the perimeter of the containment cell The subject of issue is to stay in the containment cell of SCP-6199, and close there eyes until MTF are ordered by site director or board of directors to do protocol TCS6 or Tranquillizer Containment SCP -6199, for the SCP to go back to it's cell.
The incident:
On 1998 Dr. Kris (In charge of Experiment 6199/SCP-6199). With in 48Hr's there was no blood sample
MTF agent Brendon, immediately questions Dr. Kris if this is a okay thing to do said agent Brendon.
Dr. Kris Said remember this a test. A D-class personal walks in SCP-6199 chamber for a test then SCP-6199 goes crazy and looks at the subject of issue and runs up to him at 50k/h and claws in his face his chest been eatin out as blood drips from his bones and his blood going throgh the tiles SCP0-6199 smash's the door down and Dr. Kris escapes but Agent Brendon get killed by getting pinned up to the wall and been eatin alive then he goes through isle b and gets to the D-class personal cafe and every one was killed on the way after this incident 175 lives were lost to this outrageous creature after that been shot with Tranquiliiezed by the remanning MTF agents in the perimeter of block c and re-contained SCP-6199
Death tool of incident:
100 MTF
50 REASERCHERS
25 D-CLASS PERSONAL
200 REMANIN
