Episode Details

When eight-year-old April Tinsley vanished from a Fort Wayne neighborhood in 1988, a community was plunged into a decades-long nightmare marked by sinister, handwritten threats. For thirty years, local detectives and federal profilers pursued a phantom who taunted investigators while leaving behind vital biological clues. The deadlock finally shattered in 2018 when advanced investigative genetic genealogy traced the killer’s DNA through public family trees straight to a quiet mobile home. This case highlights how pioneering forensic science and relentless interagency persistence unmasked John D. Miller, permanently transforming the pursuit of cold cases.