Inquisitorial Squad
From the Encyclopedia of Speculative Fiction - http://encyclopedia.wizards.pro
The Inquisitorial Squad was a group of students, handpicked by Professor Umbridge while she was Headmistress in Harry Potter and the Order of the Phoenix, who were supportive of the Ministry of Magic. Their job was ostensibly to catch wrongdoers; however, as most of the Squad were Slytherins, they spent more time taking House points away from Gryffindors, Ravenclaws, and Hufflepuffs.
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