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A message that conveys information about a recently missing or abducted person, usually displayed on electronic signs positioned along roadways and broadcast especially by radio, intended to enlist the public's help in finding the abducted person and often in catching the abductor.
[After Amber Hagerman (1986-1996), American child kidnapped and murdered in Texas.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Law) US and Canadian a notification to the general public, such as by commercial radio or electronic traffic-condition signs, regarding an abduction of a child
[C20: named after Amber Hagerman, a child who was abducted and murdered in 1996 in Arlington, Texas]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014