FRONTLINE

NARRATOR

This fall, "Frontline" takes you inside the stories that matter... >> The half-brother of North Korea's leader was assassinated using toxic nerve agent....as tensions mount with North Korea. >> I think Kim Jong Un wanted to make a point to any would-be rivals, "I can kill you in any manner." A rare glimpse inside the deadly dictator's regime. >> Kim Jong Un, in order to survive, he had to conduct politics, and politics inside North Korea is a blood sport. Street by street, the struggle to save a city from ISIS. >> Iraqi troops are pushing deeper into Mosul in their offensive... (speaking

NARRATOR

Inside the fight for Mosul. (explosions roaring) (gunfire rattling rapidly) (weeping) Hold on to me 'Cause I'm a little unsteady A little unsteady (sirens blaring, shouting) "Frontline" revisits an intimate portrait of the ongoing economic crisis told through kids growing up in the Midwest. >> It's tough because my mom and dad are poor. >> People don't realize what they have until it's gone. >> My mom kinda made a wrong turn. (whispering): I'm hungry. >> (whispering): I know, so am I. The battle over the health of our planet, and who's running the E.P.A. >> Science tells us that the climate is changing, and that human activity in some manner impacts that change. The ability to measure with precision the extent of that impact are subject to continuing debate and dialogue. >> Lobbying is what makes the wheels of government turn. >> What it amounts to is dismantling everything that previous administrations have done. And a special two-part investigation of what Vladimir Putin wants. >> The FBI detected more attempts to hack U.S. voter databases... >> Russian hackers are behind those attacks in a possible attempt to influence the presidential election... >> There's this grievance that's eating away at Vladimir Putin. >> He's going to employ whatever means he can to undermine the United States. The epic inside story of "Putin's Revenge." (sirens blaring) A little unsteady