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