Watch the opening scene from FRONTLINE's new documentary “Drug War in Ecuador,” which examines how a once-peaceful nation is now gripped by drug cartels, violence and a military crackdown. As the documentary begins, follow Father José Antonio Maeso, a well-known gang violence mediator in Ecuador, as he works in violence-scarred neighborhoods and also collects evidence of alleged abuses by the police and military. Tune in or stream the full documentary tonight on PBS stations, our website, YouTub

Documentary filmmaker Ken Burns reveals how his own history has been shaped by the loss of his mother Lyla when Ken was 11 years old. Go to CNN.com/allthereis to join the All There Is community, where you can share your story and watch the full conversation. | CNN