

In Guam earlier this year, one target of a pedophile sting was even encouraged to move onto WhatsApp so that police had a better chance of discovering his true identity. GettyDespite showing frustration at being unable to break into secure messaging apps like WhatsApp, in some cases, police investigators actually want criminals to use them. The FBI says it needs access to encrypted messages, but it can use lawful data requests and old fashioned policing to unmask supposedly-anonymous criminals using the likes of WhatsApp and Whisper. Here's how the FBI unmasked a WhatsApp and whisper user in a pedophile sting:
