The Amber Alert program is an urgent bulletin system established in the United States — and since adopted in Canada — that is activated in some cases of child abduction.
It uses electronic highway signs and designated local broadcasters to announce the name and a description of the abducted child, plus descriptions of any vehicle suspected of being involved in the crime.
The first Amber Alert system was established in 1996 in Texas after a nine-year-old girl, Amber Hagerman, went missing. She was riding her bicycle near home when she was kidnapped and murdered. The killing remains unsolved.


http://www.cbc.ca/canada/story/2009/...ber-alert.html


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