Woman forced to unlock her iPhone using her fingerprint in unprecedented move that has divided legal experts

"However, Albert Gidari, director of privacy at Stanford Law School's Center for Internet and Society, said the order does not appear to violate the Fifth Amendment as courts traditionally interpret it.

He said: 'Unlike disclosing passcodes, you are not compelled to speak or say what's "in your mind" to law enforcement. "Put your finger here" is not testimonial or self-incriminating.'"