Former Wachtell lawyer in insider trading case later worked at investment bank, sources say
By Nate Raymond and Svea Herbst-Bayliss BOSTON, May 8 (Reuters) - A former attorney at Wachtell, Lipton, Rosen & Katz who went on to join an investment bank is an unindicted co-conspirator in a vast insider trading case that involved tips from lawyers on corporate mergers, two people familiar with