Article continues below advertisementThough renown lawyer Alan Jackson withdrew himself from Nick Reiner's double homicide case, he's continuing to declare that the screenwriter isn't guilty of murdering his parents, Rob and Michele Reiner. However, he's still refusing to reveal why he stepped down from the case.Jackson appeared on Billy Bush's "Hot Mics" podcast, where the host admitted he was confused by the situation since Jackson "gave an endorsement and resignation at the same time.