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Here are 15 of the scariest unsolved missing person cases. Over the course of history, children and adults have gone missing under some very scary circumstances. Adults that go missing oftentimes do so willingly for either personal or financial reasons. This can be extremely frustrating for loved ones as crucial minutes tick by before they can receive help. People over the age of 18 are often required to be missing a certain amount of hours or days before a missing persons report can be filed and authorities are notified to start looking for the missing person. Countries around the world have systems in place that don't require a specific amount of time before they can be put into action to expedite finding the lost child. The majority of children are safely found and/or returned, but for the families and friends of those that go missing and are never found-that is of no comfort.Ī missing child is a person defined under the age of 18. There are non-family abductions, runaways, family abductions, and involuntary events such as accidents or vehicle crashes, causing injury, and the person is unable to notify family or friends of their whereabouts. That figure is probably underestimated due to the children that go missing and are unreported. In the US alone over 800,000 children go missing annually. According to the Wall Street Journal an astounding 8-million children go missing around the world each year.