Rock Center with Brian Williams - Israel teams with terror group to kill Iran's nuclear scientists, U.S. officials tell NBC News

Rock Center with Brian Williams - Israel teams with terror group to kill Iran's nuclear scientists, U.S. officials tell NBC News: Deadly attacks on Iranian nuclear scientists are being carried out by an Iranian dissident group that is financed, trained and armed by Israel’s secret service, U.S. officials tell NBC News, confirming charges leveled by Iran’s leaders