https://www.theregister.co.uk/2019/04/02/us_customs_mozilla_cto/

Former Mozilla CTO Andreas Gal says he was interrogated for three hours by America's border cops after arriving at San Francisco airport – because he refused to unlock his work laptop and phone.

Gal, now employed by Apple, today claimed he was detained and grilled on November 29 after landing in California following a trip to Europe.