Cosmo DiNardo came from a wealthy family, had every opportunity to succeed in life, and flushed it all away when he went on a murder spree, killing four of his friends. While the story of the murders are gruesome, what's behind the scenes is the interesting part of this story. Was Cosmo was a monster? Or was he suffering from mental health issues that lead him to commit these monstrous acts? This is one case that challenges your view of the criminal justice system when...