Among witnesses for the government was Roomy Khan, who once lived near Whitman in Atherton, Calif.

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The best shot was Roomy Khan, who had already pleaded guilty once, and who had said a little too much in an I.

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Raj Rajaratnam obtained this information through a variety of sources, including his former colleague Roomy Khan, former Goldman Sachs executive Rajat Gupta, and Danielle Chiesi.

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Doug Whitman, also a fan of the mosaic theory of investments, was found guilty after a jury said he received information on high tech companies from his former neighbor, Roomy Khan.

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Two of those testifying, Karl Motey and Roomy Khan, were some of the first people to agree to cooperate with the federal government in its insider trading cases that have brought down billionaire Raj Rajaratnam (Serving 11 years in prison) and former McKinsey executive and Goldman board member Rajat Gupta (awaiting sentencing after being found guilty at trial).

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