But this much was true: he didn't come back to school -- that day, the next day, or any day thereafter.

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Add to this equation the children whose families don't have adequate health care and may come to school with problems such as untreated ear infections, along with a constant parade of youngsters suffering from scrapes, falls, and upset stomachs.

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But the students say they don't think AbdulMutallab was ever at the school, and investigators don't appear to have come to ask.

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"Demand for that type of business education won't come to a halt, " says Bertrand Moingeon, deputy dean of executive education at HEC business school in Paris.

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