Sue Marcum.

Sue Marcum, a 52-year-old accounting and taxation professor at American University’s Kogod School of Business, was found dead in her home at 6200 Massachusetts Avenue in Bethesda this morning, according to various reports.

According to the Washington Post, Montgomery County police are considering the death “suspicious” and are investigating it as a homicide. According to the Post’s report, police found evidence of forced entry; Marcum’s vehicle, a 1999 Jeep with license plate number YXE-1456, was also missing from the scene when they arrived. According to her bio, Marcum was an American graduate who began teaching at the University in 1999; she was teaching three courses this fall.