Search Result for "death squad":
Wordnet 3.0

NOUN (1)

1. a clandestine military or paramilitary team who murder political dissidents or petty criminals (usually with the government's tacit approval); 



WordNet (r) 3.0 (2006):

death squad
    n 1: a clandestine military or paramilitary team who murder
         political dissidents or petty criminals (usually with the
         government's tacit approval)