For They Know Not What They Do: Directed by Daniel G. Karslake. With Annette Febo, Victor Febo, David McBride, Sally McBride. When the Supreme Court legalized marriage equality, the backlash by the religious right was swift, severe, and successful. Karslake's documentary looks at four faith-based families with LGBTQ children caught in the crosshairs of sexuality, identity, and scripture.