Homeless Homicides

March 16, 2012 - 6:15 PM
FILE - In this Feb. 6, 2012 file photo, Iztcoatl Ocampo appears at his arraignment in Santa Ana, Calif. Court documents show that Ocampo, an ex-Marine accused of stabbing six people to death in California, told investigators he targeted homeless people in part because they were vulnerable, and that he believes he has a "killer gene." (AP Photo/Orange County Register, Bruce Chambers, Pool, File)