Olivia Ii Johns

In the early morning hours of a November weekend in 2011, the Homewood neighborhood of Pittsburgh was rocked by a grim discovery. Twenty-five-year-old Olivia Johns, a Black female, was found inside a car, having been fatally shot. The vehicle was parked on a residential street, and the young woman had sustained a gunshot wound to her head.

The initial investigation into her death began immediately, with law enforcement officials processing the scene and seeking information from the public ...