EXCERPT
When the FBI got a tip in 2009 that the elusive Chapo Guzmán had his own secret, encrypted phone network, they were skeptical. Then things got truly weird.
Alan Feuer is the author of El Jefe: The Stalking of Chapo Guzman and two other books. He covers courts and criminal justice for the Metro desk at The New York Times. He has written about mobsters, jails, police misconduct, wrongful convictions, and government corruption. He lives in New York City.