Dear Zachary: A Letter to a Son About His Father is a 2008 American documentary film written, produced, edited and directed by Kurt Kuenne. The film is about Kuenne's close friend Andrew Bagby, who was murdered after Bagby ended a relationship with a woman named Shirley Jane Turner. Shortly after she was arrested as a suspect, Turner announced that she was pregnant with Bagby's child, a boy she named Zachary.