Since as early as April, Mueller’s team began requesting cell phones of witnesses in the Russia investigation. Fearing a subpoena, witnesses complied and handed over their phones. This explains how Mueller knows Paul Manafort was guilty of witness tampering. Well, that and witnesses immediately called the FBI. Buckle up. We’re in for a hell of a Trump temper tantrum.
Mueller’s team has indicated it wants to examine private conversations on WhatsApp, Confide, Signal and Dust, sources say.