Phone bombers US still locked

The US authorities still do not know what information to a phone capable of extremists who fourteen people last year shot dead in San Bernardino.

,, We still have a phone killers we can not open ',' Comey told a Senate committee. The federal police chief warned earlier that powerful encryption methods to post the investigative services for a challenge.

The attack in the Californian city of San Bernardino was conducted late last year by a couple who was himself later shot dead by police. The woman, Tashfeen Malik had Facebook faithfully promised terror group Islamic State.