Dail Dinwiddie: How DNA Solved a 27-Year-Old Murder

On September 24, 1992, 23-year-old Dail Dinwiddie was murdered in her Columbia, South Carolina apartment. She had been sexually assaulted and strangled. The case went cold for 27 years. In 2019, investigators used advanced DNA technology and forensic genealogy to identify the killer: Zachary Bunner. In 2023, he was convicted and sentenced to life in prison. After nearly three decades, Dail's family finally got the justice they had been waiting for.