Muhammad Rabbani was stopped at Heathrow Airport in November by border police. He refused to hand over the password and PIN that would unlock his laptop and smartphone. Rabbani, who works as international director for campaign group CAGE, was found guilty of obstructing justice. He was given a conditional discharge and fined 620 ($830) in costs. The case may have implications for the thorny issue of when you can be legally compelled to reveal encryption keys in the UK and perhaps beyond.”]