text: Use his name and title\nto address the envelope\n\nfor example\n\nMr. Tom S. Justice\nChief of Police\nCity of Philadelphia\n\nDoes he have a title like Sargent of any letters with periods after his name. Be sure to know\n\nBut to play it safe,\n\nJust use a formal salutation in the letter like\n\nDear Mr. xxxx\n\n\nor \n\n\nDear Sargemt xxxx\n\nCall the police receptionist and ask her how to address him\nif you want to be sure.