It looks like a cute little dolphin-themed toy, but the Flipper Zero is a surprisingly powerful learning tool for hacking. Here's how I mastered mine—and how you can, too.

The murder trial of a school shooter’s father has featured witnesses who have offered key testimony about the “what-if” moments in which police nearly stopped the attack before it started.

Think you know iOS inside out? Well, think again. Unlock your iPhone's full potential with these hidden tweaks.