Co-Owner of Mattapan Plumbing and Heating Supply Company Pleads Guilty to Filing False Tax Returns and Using Unreported Receipts to Buy Gold Bars Claudio Poles, 78, of Dorchester, pleaded guilty to four counts of filing false tax returns. U.S. District Court Judge Indira Talwani scheduled sentencing for Aug. 9, 2024. Poles was charged on April…