https://www.theregister.co.uk/2018/11/07/dutch_police_black_box/

Dutch police claim to have snooped on more than a quarter of a million encrypted messages sent between alleged miscreants using BlackBox IronPhones.

The extraordinary claim was made in a press conference on Tuesday, in which officers working on a money-laundering investigation reckoned they had been able to see crims chatting “live for some time."