Itzcoatl Ocampo was a changed man after serving in Iraq, family says
                                
                                
                                    (Newser) -
                                    Itzcoatl Ocampo, the California man  accused of stabbing four homeless people to death , often gave money to the homeless, says his father, who is homeless himself. Refugio Ocampo, who lives in the cab of a broken-down truck, says that just a few months ago, his son gave a beggar his...