Tired of raucously fighting and mating cats waking you up at two am in the morning? How about this dastardly scheme to keep cats in their homes at night - I am sure all cat owners will appreciate this one! I need someone to invent a mechanism whereby, when a cat triggers a tripwire, about half a bucket of harmless to cats but very indelible red dye tips onto the cat. Dripping with red dye, it wanders off home, in through the cat door, and walks all over the owner's carpets leaving a...