Lori Vallow, the woman infamously tagged as the “Doomsday Mom,” was conspicuously absent from a crucial court appearance this Thursday. Charged with the murder of her fourth husband and the attempted murder of her niece’s ex-husband, her mental fitness to stand trial in Arizona is currently hanging in the balance; a persistent question overshadowing the legal proceedings, FOX 10 Phoenix reports. A previous defense team set the stage with a Rule 11 motion, though current counsel has shown an intent to retreat from that path.