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

A Channel 4 documentary says DNA from a sofa in Hitler's bunker contains a marker linked to Kallmann syndrome, but experts say it's hard to evaluate the findings. CNN's Max Foster reports. | CNN International

The documentary "The Sisters of Baima Tibetan" chronicles the lives of four sisters over 24 years, showcasing China's profound social and cultural transformations. In an interview with China Daily, director Zhang Tongdao and acclaimed documentary producer Vikram Channa share their insights on how to foster cultural creativity. #CulturalJourney | China Daily