... to hack into a locked Android or iPhone:
https://www.vice.com/en/article/93an...ampaign=221003
Pro tip: At least one Federal Appeals Court has ruled that LE CANNOT compel someone to unlock their phone if it's locked bio metrically - i.e., with a fingerprint or retinal scan unique to the owner.
Numeric passwords and pattern tracing on the screen are fair game and according to a contact in the biz, really easy to do.