Sensors, robots bad news for city thugs.

• Author: Williams, Robert H.
• Position: Tech Talk - Brief Article

Urban warriors may soon receive a batch of new tools that could make life much tougher for bad guys holed up in big-city hideouts. One promising gadget is a hand-held radar-powered device by Time Domain that permits investigators to "see" through walls.

A comparable sensor already has been presented to civilian law enforcement agencies, according to officials.

At a recent technology demonstration at the U.S. Military Police School in Fort Leonard Wood, Mo., troops also saw a camera-toting robot that is able to scale the sides of buildings and peer into...