The Grandview (Mo.) Police Department has equipped one of its patrol cars with the Mobile Plate Hunter-900 to scan and process every license plate on a busy street, the Kansas City Star reports.

The system's three external cameras feed an on-board computer that scans every plate and runs it through police databases. If there's a match, an alarm sounds, allowing the officer to take appropriate action.

The system is produced by ELSAG North America Law Enforcement Systems.

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