"I know you want to catch Peter and bring him to me, but that's practically a waste of effort. Peter is cautious, and he's smarter than you; you won't be able to catch him. If you get the chance, find a way to get me the password to the Gryffindor common room, and I'll go into the school and kill him myself."
Inside the dark tunnel, Sirius Black gently stroked Crookshanks's head with his rough hand, telling the cat what he needed and what he wanted to do. He knew the cat was clever, but relying on it to catch that rat Peter was next to impossible. Besides, Sirius Black would much rather kill Peter with his own hands to avenge James.
"Meow!"
Chapter 675