Back in Cordova, the search party buzzes Bob.

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A critical clue leads to an island in Alaska.

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The team lands in Alaska and gets to work.

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One man who heard the bizarre broadcast is alive.

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Through two photos, Jon untangles a mafia web.

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Jon and Paul crisscross the desert, chasing clues.

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“Dateline N.B.C.” commissions a secret report.

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A cabbie kills a key player, and investigators dither.

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A shocking story, as told to investigators in 1994.

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A mobster marries the widow of one of the missing men.

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