Add Yahoo as a preferred source to see more of our stories on Google. Los Angeles police are rolling out a new siren, and you don't just hear it. It rattles your bones. When the New York Police ...
The LAPD is deploying a low-frequency siren system called the Rumbler that allows drivers and pedestrians to feel approaching police vehicles, not just hear them. Department leaders say modern ...
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Los Angeles Police Department Cmdr. Blake Chow, left, and Greg Field, director of police transportation, Motor Transport Division, show off the department's adoption of the Federal Signal Rumbler and ...
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