Cold Case Solved After Nearly 50 YearsIn 1976, 68-year-old Lela Johnston was tragically murdered in her OKC home. After decades of investigation, advances in DNA technology and help from DNA Labs International led to the identification of her killer. This marks OKCPD's first case solved using forensic genealogy. We’re grateful to DLI for their vital work on this case.DLI is a private forensic DNA laboratory and was enlisted to utilize the latest forensic technology available on this case. Since