Part of it read: "Investigator Graham interests me, very purposeful-looking." Graham was recalled by Crawford to Washington, DC, where the note was analyzed and one hair was found.Harry suspected that there was a Horcrux (another piece of Voldemort""s soul) inside Bellatrix Lestrange""s vault, and he wished to destroy it: "Let""s find it and kill it, we""re one step closer to killing him.At the river""s edge, the smartly-evolved and more advanced "Big Daddy" demonstrated to a well-organized horde of hundreds of other fellow zombies that they could cross the river without drowning, by walking on the riverbed bottom under the water.During her exploration of the empty house, she grabbed a large butcher knife in an open kitchen drawer for protection.The man was attacked, and his larynx was grabbed and crushed (rendering him conveniently mute with inoperable vocal chords) - and Michael switched clothing with him.