50s or 60's drama/horror scared me as a child
I was very young when I saw this movie in the 70's. All I can remember is that a little girl is haunted by a portrait of her mother that bleeds. I think maybe she (mother) is trying to use the daughter to help solve the murder. I also remember a scene where the girl is swinging on a swing set and she is singing a song "The worms crawl in, the worms crawl out, all through your stomach and out your mouth." I asked nearly everyone I've known throughout the years and the only suggestions I've gotten is "The portrait of Dorian Grey" and I'm sure that's not it.