From Riches to Relative Rags
Top bond-trader Kevin Ingram awaits sentencing in money laundering scheme with Diaa Mohsen and Mohammed Raja Malik, who were negotiating to buy illegal arms; probe has found no link between scheme and World Trade Center attacks; no one is sure for whom Mohsen and Malik were buying arms; Ingram's lucrative, but rocky, Wall Street career noted; Sen Jon S Corzine, former mentor, comments (M)