With a computer or cell phone and an electronic tracking device, you can locate a missing pet, follow the path of a stolen car, find a skier buried in an avalanche and rescue a hiker lost in the woods.
So what about a child snatched by a stranger?

About 800,000 children are reported missing in the U.S. each year. The vast majority are runaways, followed by parental abductions, said Ernie Allen, president of the National Center for Missing and Exploited Children. About 58,000 children are kidnapped by strangers, and 99 percent of those come home fairly quickly, often victims of sexual abuse.

Then there are the approximately 115 children a year like Jaycee Dugard, who are snatched then murdered, ransomed or kept for several years.

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