Man who tipped off authorities about missing Tenn. student describes “clues”

The man who tipped off authorities and led them to a former Tennessee teacher accused of kidnapping his 15-year-old student said there were "clues" that made him suspicious of the pair.

Griffin Barry came across Elizabeth Thomas and her alleged abductor, Tad Cummins, at a gas station in far northern California when they were needing money for gas, food and a place to stay. Cummins told Barry, a caretaker on property that includes the gas station, that their names were John and Joanna.

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