Penn-Trafford’s Warrior Stadium in 2019. (Bill Beckner | TribLive)
Kylee McClintock, a senior on Penn-Trafford High School’s girls soccer team, remembers talking to Karoline Heintz during games against Peters Township.
Heintz, who graduated from Peters Township High School last spring, was preparing to start her freshman year at PennWest-California in late August when police say she was killed by her boyfriend. The 18-year-old was found stabbed to death in her vehicle parked near the California Area Public Library early in the morning on Aug. 20…