The Story of a Jehovah's Witness Lady and Her Companions

Jehovah's Witnesses are supposed to go from door to door doing missionary work. This one Jehovah's Witness lady was slated to go out with her companion but the companion wasn't feeling well so she went by herself. Later that afternoon an avon lady is going through the same neighborhood comes to the same door knocks on it and a rough guy opens the door sees there's an avon ladies there grabs her pulls her into his house and brutally murders her. As she continues to tell the story the guy gets arrested for the murder of the avon lady  for some reason the police know about this woman who had shown up that morning.