Hogwarts he is detected using magic in the presence of Muggles, a serious offence among the wizarding community. Dumbledore argued in Harry's defence, stating that it was done in self-defence, and that the Ministry has no authority to expel students – such powers are invested in the Headmaster and the Board of Governors. Snape has attempted to have Harry expelled, and he attempted to have Harry's father, James Potter, expelled when they were at Hogwarts together. The only student known to have been expelled is Hagrid, for the murder of Myrtle with an acromantula believed to be the Monster of Slytherin
Who Killed the Robins Family? strangulation. The book also gives homage to several classic works of mystery and suspense. As the book is a contest, liberties are taken with proper police investigation of the crimes, which would have resulted in an immediate solution. For example, when one family member is shot to death in a darkened room, nobody thinks to check for gunshot residue. In addition, while some murders have fit very neatly with the facts on a theoretical basis, the method of implementation has questionable realism. A sequel, "The Revenge of the Robins Family" was released in 1984. "Who Killed the Robins Family?" topped