https://www.siliconvalley.com/2022/01/28/accused-cocaine-submarine-kingpin-betrayed-by-messaging-app-feds-say/

By Robert Snell | The Detroit News

An accused drug kingpin from Metro Detroit who was building a remote-controlled submarine to allegedly smuggle cocaine across the Atlantic Ocean was betrayed by an encrypted messaging app favored by international crime lords, The Detroit News has learned.