Re: cats, although not accidentally murdered ones... There's a fabulous Dario Argento segment of a film called "Two Evil Eyes," drawn from a Poe story. Harvey Keitel plays a slightly nuts photographer who tortures his girlfriend's cat and takes pictures of the poor suffering critter. (This is a diversion from his usual subject, which is grisly crime scenes.) Eventually, he kills his girlfriend and walls up her corpse, and, shall we say, the cat makes a surprise reappearance. The whole thing is quite grisly, as you'd expect from Argento, the crime scenes being notably horrific. I hope this helps. --Ed O'Neill, UCLA