Forensic Science Put Jimmy Genrich in Prison for 24 Years. What if It Wasn’t Science?

Forensic science — the kind that traces the grooves in bullets, the mark of a shoe, or the scrape of a tool — emerged in the early 20th century as a way to professionalize police work. But once its findings made their way into the court system, it became almost impossible to divide the good forensic science from the bad.