In the early morning of July 31, 2022, 17-year-old Mackenzie Shirilla drove her boyfriend, 20-year-old Dominic Russo, and his friend, 19-year-old Davion Flanagan, home from a high school graduation party. Then the unthinkable happened: after turning down a long stretch of a quiet residential road in Strongsville, Ohio, Shirilla accelerated her Toyota Camry to 100 miles per hour before slamming the vehicle head-on into a brick building, killing both passengers and critically injuring herself.  The terrifying wreck sent shockwaves throughout a tight-knit community. When emergency responders arrived, they found a mangled mess of metal—with all three people unconscious and two dead on arrival. Shirilla was airlifted to a local hospital, where she underwent multiple surgeries. But as detectives looked further into the case and discovered she had no memory of the tragedy, a new, more haunting question emerged.…