Not interacting with the dog won't teach it it did something "wrong"...
I probably would have a hard time if my dog did something horrible like that to one of my cats too, but thankfully she won't. I do understand how you must feel. It was not the dog's fault it killed the cat though and won't understand why you won't talk to it.
Gonna start studying for my A&P exam tomorrow in a little bit.
1 Doberman Mix: Emmy, 2 DSH Cats: Rowan & Jacob, 1 Bearded Dragon: Rainier (aka Mista Lizad Man), 1 Eastern Box Turtle: Greta, Two 5g tanks: Alchemy (Halfmoon) and Custard (Yellow VT)