https://phys.org/news/2019-01-people-facial-recognition-fingerprints-federal.html > Judge Kandis Westmore took no issue with authorities' request for a warrant to search an Oakland home associated with the two men, and possibly seize cell phones and computers. > "The Government, however, also seeks the authority to compel any individual present at the time of the search to press a finger (including a thumb) or utilize other biometric features, such as facial or iris recognition, for the purposes of unlocking the digital devices found in order to permit a search of the contents as authorized by the search warrant," Westmore wrote in her ruling. But the judge said that would be unconstitutional.