RUSTY COSTANZA / THE TIMES-PICAYUNEState Sen. Derrick Shepherd, left, leaves the Hale Boggs Federal Courthouse in New Orleans accompanied by his attorney Clarence Roby on Thursday morning. A federal grand jury indicted state Sen. Derrick Shepherd today after months investigating allegations that the Marrero Democrat laundered $141,000 for an unlicensed bond broker. From his Poydras Street office, U.S. Attorney Jim Letten announced the 41-count indictment on charges of conspiracy to commit mail wire fraud, mail fraud, wire fraud, participation in the business of insurance by a person previously convicted of a felony involving dishonesty, conspiracy to commit money laundering and...