Man, that's really sad.
I heard a story a while ago, kind of like this, but it does involve a snake getting killed:
There was a man who had this albino boa that he adopted and he was going to take it to the vet for a check up (I think?) and he stopped by a Star Bucks to get a cup of coffee. He had this snake in an army bag in his car, and when he ran inside to get the coffee he had the doors unlocked, but only in there for 2 minutes. When the man got back the bag was gone. He tried searching everywhere for it, and even put up posters. A while after, the snake was found on the ground with rocks near it. The snake was beaten with rocks that were thrown at it, and then the head was chopped right off.
It's a pretty sad story, and I think this snake also had a litter of baby boas.