Overview

• Thomas Fagan, 68, is accused of fatally strangling his 64-year-old sister, Mary Ellen Fagan, in their Crown Heights apartment on July 26.
• Officers found Mary Ellen unresponsive near St. John’s Place and Bedford Avenue around 6 p.m. and the New York City medical examiner ruled her death a homicide due to neck compression.
• According to court records, Fagan confessed to investigators and was arrested on August 2 on murder charges.
• He pleaded not guilty during his August 3 arraignment in Brooklyn Criminal Court and remains held without bail.
• Authorities note no prior domestic-violence calls or arrests at the siblings’ home, underscoring challenges in spotting concealed family conflicts.