An Arizona sheriff's department got more than 4,000 calls within 24 hours after the release of videos of a masked person on Nancy Guthrie's porch. Many tips will be worthless. Others could have merit.

More than 4,000 calls came into an Arizona sheriff's department within 24 hours after the release of videos of a masked person on Nancy Guthrie’s porch.

Whether it's replacing lost remotes or backing up access devices, these practical Flipper Zero tips are easy for beginners and unexpectedly useful.

A new wave of pick-up artists is exploiting tech to record women without consent. Here's how to spot the hidden cameras before it's too late.