Slytherin's past may be murky ... Adding to that, he was a known Death Eater who actively helped Voldemort before his downfall. The only thing not getting him thrown out into the cold was ...

“You will have people connected with Death Eaters in the other houses, absolutely,” she said. Echoing this sentiment is Slytherin Prefect Gemma Farley (who loyal fans will know was created ...

He was sorted into Slytherin, he followed his family's ideals, and, of course, joined Lord Voldemort's ranks. The world isn't split into good people and Death Eaters. Well, at some point ...

7 This means that they were in Slytherin together for two years ... Dumbledore's Pensieve and learns that Snape was once a Death Eater but is now, according to Dumbledore, a spy for the good ...