Justin Schielder, 17, was killed in a collision with a pickup truck on Highway 11 in Pearl River County, Mississippi

Troopers say 83-year-old Dorothy Smith of Poplarville and 17-year-old Justin Schielder of Carriere were traveling south on the highway when they collided with a truck driven by 41-year-old Ruben Ventura of Carriere, who had crossed the center line while traveling north on the highway.