ISIS in Afghanistan/Taliban Hunters

ISIS is on the rise in Afghanistan -- and they say they're getting young kids to join the jihad. In a special report, FRONTLINE correspondent Najibullah Quraishi reveals on film the degree to which ISIS is gaining a foothold in the country, and how they're focusing their efforts on training a new generation of jihadists. Then in Pt. 2, how one police unit in Pakistan is fighting the Taliban.