FAIRFAX COUNTY, Va. (7News) – A Fairfax County, Virginia man was arrested Thursday morning for allegedly killing his mother, authorities said. Around 9:40 a.m., Fairfax County Police Department (FCPD) officers responded to the report of a deceased person in the 6300 block of Lincolnia Road, in Lincolnia. When they arrived, police said they found the victim, Myong Kim, 75, suffering from trauma to the upper body.