The bureau said that members of the network—referred to as "764" for the Texas ZIP code where it reportedly originated—befriend minors online via video games, social media and online forums, then ...

The FBI Charlotte field office issued a warning for parents, caregivers, and teens on the increased risk for sextortion attempts during the holiday.

In recent months, the FBI has been investigating a group known as 764 and is now sounding the alarm for parents of children old enough to operate electronic devices.