Jack Teixeira's alleged leak of classified documents onto the Discord chat platform, why he wasn't stopped and the role of platforms like Discord.
In collaboration with The New York Times, a new investigation into the design, oversight and production of Boeing's 737 Max jet, years after two crashes killed 346 people. An update of the investigation originally aired in 2021.
Since it began in 1983, Frontline has been airing public-affairs documentaries that explore a wide scope of the complex human experience. Frontline's goal is to extend the impact of the documentary beyond its initial broadcast by serving as a catalyst for change.