During an argument with a woman in his home on Feb. 12, Donald Ellis Coles, 51, of 56 High St. in Montgomery, threatened to slash her throat, state police alleged in an affidavit filed at the office of District Judge Kirsten Gardner. Following his arraignment on charges of terroristic threats and harassment, Coles was briefly incarcerated and then released on $10,000 bail. His preliminary hearing is scheduled for late next month.