iPhone clash: Apple may invoke free speech rights

"Apple could argue that being required to create and provide specific computer code amounts to unlawful compelled speech, said Ms Riana Pfefferkorn, a cryptography fellow at Stanford University's Centre for Internet and Society.

The order against Apple is novel because it compels the company to create a new forensic tool to use, not just turn over information in Apple's possession, Ms Pfefferkorn said."