The Zimbabwean Government say that they gave refuge to Mengistu because he helped train and arm them during Zimbabwe's liberation struggle in the 1970s.

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The hawk-eyed engineers work for Bombardier Transportation, the train-building arm of Montreal's Bombardier--perhaps better known in the U.S. for the other half of its business: its regional and business jets.

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The gap between the pantograph, which is the arm on top of the train car that draws power from overhead lines, and the catenary system must remain within a precise distance and tension.

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Claunch had been at the Healing Hands group home for 18 months, owner John Garcia told KTRK. He lost an arm and a leg in a train accident.

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"You don't train with physical abuse because he's so strong, it's a mental arm-wrestle, " he explained.

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