RE: OT:we adopted a demon cat from the shelter, any BTDT advice?
Bleah, sorry. We recently had to put down one of our cats that turned into a biter after we had had him for 13 years. (Yes, we had tons of vet work done to check for medical issues and tried some bahvior modification stuff too.) If I were you I would take him back to the shelter ASAP. There is no magic wand for this and it could take weeks or months for things to work and there is no guarantee that anything will work.
Beth, mom to older DD (8/01) and younger DD (10/06) and always missing Leah (4/22 - 5/1/05)