Todd Spangler NY Digital Editor Director Rob Reiner and journalist Soledad O’Brien have dug into the assassination of President John F. Kennedy — and they claim they have found evidence about who was really behind the killing. Reiner and O’Brien are the co-hosts of “Who Killed JFK?”, a 10-part podcast series featuring interviews with authors, witnesses, CIA officials and forensic experts as part of their investigation into JFK’s assassination 60 years ago, on Nov.