Pa. Teacher Vanishes on California Hiking Trip

Matthew Greene, 39, described as an experienced outdoorsman, was last heard from in July.
0:25 | 08/26/13

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Transcript for Pa. Teacher Vanishes on California Hiking Trip
A -- in California discovered a clue that could help figure out what happened to a popular Pennsylvania high school math teacher missing for more than a month. 39 year old Matthew green was on a backpacking trip in the eastern Sierra mountains on Friday. Hiker found a pair of eyeglasses that look a lot like those worn by missing half hanging on a cited a trail head. It's the first lead police -- -- since the former peace corps volunteer disappeared.

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