Five days after Robert O'Neill death , Osama bin Laden 's says he was the one who killed him . O'Neill says the killing was a team effort and there is some dispute over what happened . Bergen : Other SEALs have raised questions about the account given by Bergen .
Three years after Osama bin Laden 's death , Robert O'Neill says he was the one who killed him . Peter Bergen says the killing was a team effort and there is some dispute over what happened . Bergen : Other SEALs have raised questions about the account given by O'Neill .