This is one of the saddest things I've ever read. I consider myself oh so lucky to be able to continue boarding my 30 year old at the show stable she's known for most of her life.
Even though she's retired, I can keep an eye on her and know exactly what's going on in her life. Its too bad you can't trust someone to do what they say they will do, especially where an animal is concerned. Its such a betrayal. Fortunately Justin was rescued and his life ended with people who loved him.