Oct. 27 (Bloomberg) -- John M. Dowd , the new criminal lawyer for Galleon Group hedge fund founder Raj Rajaratnam , is a legal heavy hitter. During more than 30 years as a lawyer, Dowd has represented U.S. Senator John McCain in an ethics investigation, ex-Justice Department aide Monica Goodling in a U.S. probe and former Arizona Governor Fife Symington in a bank fraud trial.