Joanna Joyce Findlay, 40, of Hollywood, has been charged with second degree murder in the shooting death of Gary Allen Trogdon. (Arrest photo)
Deputies detained a female, 40, of Hollywood, who was at the residence when they arrived. Her name was not released at that time since charges had not been filed.
Detectives from the St. Mary's County Bureau of Criminal Investigations were called to the scene and assumed the investigation.
On Sunday, detectives charged the woman, Joanna Joyce Findlay, with second degree murder in the death of Trogdon. Findlay is being held in the St. Mary's County Detention Center without bond.