The Department of Homeland Security (DHS) has announced it will be deploying new full-body scanners at eight more airports across the country, a decision that brought a new round of protests from critics of the technology who consider the machines overly intrusive.
"We all want airports to be safe and secure as possible," U.S. Rep. Jason Chaffetz, R.-Utah, told ABC News. But there are "more secure and less invasive" alternatives, he said.

Chaffetz and civil liberties groups have criticized the latest expansion, complaining that the machines produce graphic full-body images that invade the privacy of innocent travelers, and they have questioned the necessity, safety, and reliability of the machines. ...