I'm trying to figure out this movie?

It's not a recent movie, and all I remember is one of the scenes. There is this man who is a child phsycologist or some sort of doctor. One of his patients finds him when he grows up and harrasses him, basically because he never cured him. At the end, his parents call this Dr. person and he goes to their backyard, finding him tied up to a chair. His chest has a diamond tattoo, which one of the things he always talked about as a child. He connects the dots that his father molested or raped him as a child, and that is why he's so screwed up. This man ends up shooting the doctor, I'm not sure if he succeeds at killing him, and then he kills himself. All I remember. It's driving me crazy because I have no idea how to figure out what this movie is and I'd appreciate any suggestions!