Last week, in Nebraska, Noemi Guzman tried to kidnap a 3-year-old from Walmart. Horrific bodycam footage from the police shows her holding a knife over the boy, slashing him, before cops shot her dead. Two years prior,  a judge  let Guzman off  for a raft of felony charges, including arson and assault, by reason of insanity. One of the most horrific crimes this decade happened last August, when, on Charlotte North Carolina’s transit system, a mentally ill man named Decarlos Brown allegedly