Ever wondered who murdered JonBenet Ramsey, or who terrorized San Francisco as the Zodiac Killer? Puzzled over the notorious Black Dahlia murder, or the shooting of TV presenter Jill Dando? This true crime book makes you the detective, investigating some of the most infamous unsolved cases of the 20th and 21st centuries. Crime scenes, crucial evidence, witnesses, and persons of interest are clearly and concisely presented, along with essential details and clues, so you can judge for yourself: who could have done it?Unsolved Murders also profiles the psychology of the killer, discusses the background and life of the unfortunate victim (or victims), and how these horrific crimes impacted the victim's family and friends. From domestic tragedies to serial killers with a love for the macabre, this book will have you returning to the cases again and again.