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. A second segment in FRONTLINE's Nov. 17 hour will explore a Pakistan police unit's fight against the Taliban.