Cats can be jerks. My cat, Zeus, is pretty chill. He's also 15 years old and spends most of his time sleeping. Not all cats are as chill as mine. This cat in particular has some anger issues.
Watch what happens when the cat's human starts talking. Slowly, the cat's paw rises, and then SMACK!
My favorite part is the human flinching. The cat's human is clearly paranoid and if she is killed in the middle of the night, that cat is the first suspect.