No: HPFGUIDX 156025 Pippin: Dumbledore later claims that it was obvious to him all along that it was Draco. Eddie: I keep remembering Dumbledore saying he didn't need an Invisibility Cloak to become invisible. How hard would it have been for him to follow Draco around to find out what he (Draco) was up to? Why didn't Dumbledore? Or did he?