In a new GPS tracking system being tested by Iowa State Patrol, a compressed-air launcher, mounted behind the grille of a police cruiser, uses a laser to target the fleeing vehicle. It discharges a projectile/tag containing the GPS module.
NOVEMBER 21, 2013, 6:24 AM|Police are using a new tool, known as the GPS "cannon," to reduce dangerous high speed chases. The device is fired onto the back of the suspect's car, and allows police to track their location through real-time GPS information. CBS News' Jeff Pegues reports.