ST. LOUIS COUNTY (KMOX) -- Charges have been filed in the death of a 17-year-old girl in North St. Louis County. Police say Gino Branch, 41, of Wellston shot and killed a 17-year-old girl and critically injured her mother in Glasgow Village -- Branch was in a relationship with the girl's mother. The teen was pronounced dead on the scene, her mother was taken to an area hospital with life threatening injuries. Police say Branch then took two 6-year-old children who were in the house at the time and drove to Valley Park to throw away the gun he used. Police haven't yet said what his relationship with those children is.