DispositionMatrix
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Los Angeles is first in US to install subway body scanners
The machines scan for metallic and non-metallic objects on a person’s body, can detect suspicious items from 30 feet (9 meters) away and have the capability of scanning more than 2,000 passengers per hour.
“We’re looking specifically for weapons that have the ability to cause a mass-casualty event,” Wiggins said. “We’re looking for explosive vests, we’re looking for assault rifles. We’re not necessarily looking for smaller weapons that don’t have the ability to inflict mass casualties.”
Signs will be posted at stations warning passengers they are subject to body scanner screening. The screening process is voluntary, Wiggins said, but customers who choose not to be screened won’t be able to ride on the subway.