The perfect murder. 6 controversial cases where none of the suspects admitted their guilt

Even if the killer has carefully cleaned up the crime scene, criminologists can still detect tiny particles of blood and easily identify who they belong to through DNA testing. But with such impressive forensic techniques, why are the real murderers still going unpunished and the innocent going to prison? In this book, the famous German criminal lawyer Alexander Stevens talks about the most incidental cases from his practice, in which each suspect denies his guilt. The author analyzes every piece of evidence of brutal crimes and tries to figure out whether the culprit was really convicted fairly or is he now free?