You know what else works really good. Put two Asprin in a can of cat food and let them eat it. There will be no more cat.
Cats can not eat Asprin. It will thin out their blood a kill them. Heart attack.
Dead. Gone. No longer. See ya kitty kat.
Per the vet I use to take my dog to.
I heard about that one. Not a bad idea.
See...I knew I could count on my fellow Hot Boat members.