https://www.cnet.com/news/police-cant-force-you-to-unlock-phone-with-face-id-or-fingerprint-judge-rules/

The Fourth Amendment says that people have the right to be secure in their houses against unreasonable searches and seizures, while the Fifth Amendment says nobody should be compelled in any criminal case to be a witness against himself.

Many of the details in the case, including the authorities overseeing the investigation, are sealed. The Justice Department didn't immediately respond to a request for comment.