Also known as: The Security Service, Military Intelligence.
The MI5 is the covert counter-intelligence and security agency within the United Kingdom.
- Memo: Top Priority, All Departments. If whoever took my lucky pen doesn't own up pretty bloody sharpish, I'm going to get M15 on the case. (13/2/12)
- Come on, it's a win-win solution- I get my pen back, & you get to go home tonight instead of being hauled off for interrogation/DNA testing! (13/2/12)