Den of Assassins 

Den of Assassins are a crew of friends formed in Lowell Massachusetts. Made up of mostly Mixed martial arts students, and hardcore kids. Being a dominant group in the Lowell, Dracut and Billerica area of Massachusetts, the Den of Assassins have been linked to numerous bar fights and other problems in the area. They are known to be the "outsiders" of the MMA world. Not doing the norm, or settling for less than what is right. The Den of Assassins were given the name from the State of Massachusetts district attorney in a court case. Made up of more than 30 members throughout Massachusetts.

" We need to get this Den of Assassins of the street before they kill some body"

Den of Assassins by IMRU February 10, 2010