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Feeling the heat
Commander Charles "Sid" Heal heads the technology exploration program in the Los Angeles Sheriff's Department. The program's goal is to identify and help develop technologies that may have some use for law enforcement agencies, and a primary focus is on what Heal calls "nonlethal options"--safer effective alternatives to current weapons and procedures.

One example of that sort of gadgetry comes from the realm of defense contractors: the so-called Active Denial System, which is designed for crowd-control situations--people on the receiving end feel an intense, but fleeting, sensation of heat. Here, Heal is standing with Raytheon's Silent Guardian, a scaled-down version of the truck-size ADS prototype that the company has delivered to the Air Force. It's still got a long way to go, Heal says.

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