The Justice Department is demanding that Apple make it easier to unlock suspects' iPhones, but experts say it can do that without Apple's cooperation. Here's how.

· The Department of Justice is pressuring Apple to help unlock two iPhones belonging to the Saudi aviation student charged with killing three people at a Florida Navy base last month.
· Attorney General William Barr has criticized Apple as unhelpful in cracking the locked iPhones.
· While Apple has provided the FBI with...