The Department of Magical Law Enforcement is a combination of police and justice facilities. It is located on the second level of the Ministry of Magic. At the beginning of the series, it is headed by Amelia Bones, who is replaced by Pius Thicknesse after Voldemort murders her. Thicknesse is replaced by Yaxley in "Harry Potter and the Deathly Hallows" after Voldemort has Thicknesse appointed the puppet Minister for his regime. Bartemius Crouch Sr. once headed the department, prior to the first book. By the events of "Cursed Child", Harry Potter has become its head.