FLATBUSH - Police say they have arrested the son in the brutal murder of his mother in Flatbush yesterday.

Officials say 31-year-old Richard Cohen stabbed his 64-year-old mother, Anne Cohen, to death inside his Ocean Avenue apartment at around 11 p.m. before calling 911.

According to investigators, Richard Cohen has a history of emotional problems.

Richard Cohen was arrested and is charged with second-degree murder.