The Growth In Illegal Robocallers

USA Today: "Robocallers doing a number on the Do Not Call list"

Illegal robocall operations are taking advantage of increasingly sophisticated technology that has made it easier and easier to simultaneously send thousands of robocalls costing less than one cent per minute...

Along with being cheap and easy, robocalls can be the hardest to trace, says Sid Kirchheimer, author of Scam-Proof Your Life. Calls often come from foreign centers, and scammers increasingly use technology to "spoof" caller ID to display whatever number they pick, he says.