Cops take dead man’s smartphone to his corpse in attempt to unlock it

"Another attorney, Riana Pfefferkorn, a cryptography fellow at Stanford Law School, underscored the fact that not only was going to a dead person’s fingerprints unsettling, but that it was questionable from a practical perspective.

"This gives cops a perverse incentive to delete any evidence and films or text messages," she told Ars. "What's to stop them from doing that if they learn that this is a viable technique and if the person is dead?""