Improvements made since Wetterling abduction

Much has changed in 20 years since then-11-year old Jacob Wetterling was abducted by a masked gunman in St. Joseph, Minnesota. States have established and toughened sex offender registries. And the national AMBER alert system was put into place to broadcast urgent bulletins when a child is abducted.

MPR's Phil Picardi spoke with Ernie Allen, the president and CEO of the National Center for Missing and Exploited Children.

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