24/7 Tempo looked into reports from websites like the FBI, History, and Historic Mysteries to assemble a list of those gone without a trace: history's most puzzling disappearances ever.

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MONTROSE, Colo. – Officials announced Tuesday that 180 heads of cattle are unaccounted for in western Colorado, and that the winter weather is preventing them from finding clues about the missing ...

The mysterious disappearance of an MP in Zambia has sparked arrests, accusations and a closely watched police investigation. Independent MP Emmanuel Banda went missing from capital city Lusaka in ...

Commission for inquiry into enforced disappearances found prima facie evidence of their involvement, said a preliminary report submitted to the chief adviser yesterday. For all latest news ...