As detectives began investigating, they identified significant trauma to Talat’s upper body. Detectives from our Crime Scene Section responded to the scene and discovered evidence to indicate Talat’s death was not accidental. Following interviews and further processing of evidence at the home, detectives determined Samy Hassanein, 36, fatally assaulted his father. Detectives arrested Samy Hassanein, and he was charged with second degree murder. Samy Hassanein was taken to the Adult Detention Center and held without bond.Detectives are asking anyone with information regarding this incident to call our Major Crimes Bureau at 703-246-7800, option 2. Tips can also be submitted anonymously through Crime Solvers by phone – 1-866-411-TIPS (866-411-8477).