He cut her off with brutal precision. "And one last thing." His eyes flicked toward the door, through which Jace, Alec, and Isabelle had disappeared. "Keep in mind that when your mother fled from the Shadow World, it wasn't the monsters she was hiding from. Not the warlocks, the wolf-men, the Fair Folk, not even the demons themselves. It was them. It was the Shadowhunters.
Cassandra Clare (2011). “Cassandra Clare: The Mortal Instrument Series (4 books): City of Bones; City of Ashes; City of Glass; City of Fallen Angels”, p.221, Simon and Schuster