BURTONSVILLE, Md. – The Montgomery County first-grade teacher who was arrested for allegedly selling the drugs that killed a D.C. man is now facing federal charges. Sarah Magid, 34, was teaching at Charles Drew Elementary, a public school in Silver Spring, while she was also allegedly trafficking various types of narcotics, including fentanyl, for months, district court documents say. She was arrested by Montgomery County Police Aug. 13 on multiple charges for narcotics distribution.