How Telegram Became the Underworld’s Favorite App

A Times investigation has found that Telegram, one of the world’s biggest messaging apps, with nearly a billion users, is also a giant black market and gathering place for the likes of terrorists and white supremacists.Adam Satariano, a technology reporter for The Times, discusses the story of Telegram and the arrest of its founder, Pavel Durov.Guest: Adam Satariano, a technology correspondent for The New York Times.Background reading: How Telegram became a playground for criminals, extremists and terrorists.The criminal charges against Pavel Durov raised concerns in Silicon Valley about encryption and Telegram’s approach to privacy and security.For more information on today’s episode, visit nytimes.com/thedaily. Transcripts of each episode will be made available by the next workday.