1. A man and his wife raced through the streets. They stopped, and the husband got out of the car. When he came back, his wife was dead, and there was a stranger in the car.
2. A woman has incontrovertible proof in court that her husband was murdered by her sister. The judge declares, "This is the strangest case I've ever seen. Though it's a cut-and-dried case, this woman cannot be punished".
3. A man is driving his car. He turns on the radio, listens for five minutes, turns around, goes home, and shoots his wife.