Convicted assassin Sirhan Sirhan asserts a second gunman killed Robert F. Kennedy . Sirhan was hypno - induced to use a gun as a diversion , his attorney says . California 's attorney general says a jury would have convicted him anyway . The evidence against him is ` ` overwhelming , '' prosecutor says .
Convicted assassin Sirhan Sirhan asserts a second gunman killed Robert F. Kennedy . Sirhan was hypno-programmed to fire a gun as a diversion , his attorney says . California 's attorney general says a jury would have convicted him anyway . The evidence against Sirhan is `` overwhelming , '' prosecutor says .