SALEM – Three men police say they caught in Saugus peddling opium have been indicted by an Essex County grand jury.Joseph Taddonio, 40, of 98 Proctor St., Winthrop, Martin Carrillo, 41, of 300 Commandants Way, Chelsea and Michael Imbruglia, 45, of 146 Elm St., Stoneham, are charged with trafficking over 28 grams of opium and conspiracy to violate the drug laws.Charges stem from their arrest in Saugus on Aug. 13.Assistant District Attorney A.J. Camelio is prosecuting the case for the commonwealth.