On Assignment June 12

David Letterman sits down with Tom Brokaw in his hometown of Indianapolis, IN where he speaks candidly about Donald Trump and shares memories of Johnny Carson. Lester Holt embeds with a special community police unit in one of the toughest neighborhoods in the country – Watts, South Los Angeles. Kate Snow reports on a drug industry insider, Steven Francesco, whose son died suddenly from a rare side effect of taking antipsychotics. Airs June 12 at 7/6c and 10 pacific.