Understand history's most enigmatic serial killer. In December of 1968, a serial killer began orchestrating a campaign of terror in the San Francisco Bay Area. Not satisfied with the simple act of murder, he taunted law enforcement and the public by writing letters to local newspapers. Through often cryptic and bizarre content - including four ciphers, three of which have never been solved - the psychopath played a twisted game. Reporters dubbed the man the "Cipher Killer", but the murderer chose a different name for himself: The Zodiac. Eventually, he would claim to have murdered 37.

Are your arguments relevant or not? Can you find logic on words, or are the concepts behind them related to the expression? These and many other questions regarding critical thinking skills will be addressed in this comprehensive guide. The author looks at things from a different perspective, and uses scientific methods to uncover the truth. A great portion of this book is dedicated to finding the right job skills to perform better.

After Jack the Ripper and before Son of Sam there was only one name their equal in terror: the deadly, elusive, and mysterious Zodiac. Beginning in 1968 the hooded mass murderer terrified the city of San Francisco and the Bay Area with a string of brutal killings. A sexual sadist, his pleasure was torture and murder.

On February 13, 2017, two Indiana teenagers, Abigail Williams, 13, and Liberty German, 14, went for a walk in the woods near the abandoned Monon High Bridge. They never returned home.

The Zodiac serial killer claimed the lives of at least five young victims between 1966 and 1974, and mocked the police with telephone calls, taunting letters, and encrypted messages. Thousands of men have been accused; nearly 2,500 have been investigated. Yet the Zodiac has never been identified. This painstakingly researched and meticulously detailed compendium to the Zodiac serial killer case by true crime author Mark Hewitt presents the crimes and their effect on a community.

Bonus material! Includes an excerpt from John Douglas and Mark Olshaker’s Obsession! Discover the classic behind-the-scenes chronicle of John E. Douglas’ 25-year career in the FBI Investigative Support Unit, where he used psychological profiling to delve into the minds of the country’s most notorious serial killers and criminals - the basis for the upcoming Netflix original series.

On November 15, 1959, in the small town of Holcomb, Kansas, four members of the Clutter family were savagely murdered by blasts from a shotgun held a few inches from their faces. There was no apparent motive for the crime, and there were almost no clues.

Worshippers stream out of an Midwestern synagogue after sabbath services, unaware that only a hundred yards away, an expert marksman and avowed racist, antisemite and member of the Ku Klux Klan, patiently awaits, his hunting rifle at the ready. A riveting, cautionary tale rooted in history that continues to echo today, The Killer's Shadow is a terrifying and essential exploration of the criminal personality in the vile grip of extremism and what happens when rage-filled speech evolves into deadly action and hatred of the “other" is allowed full reign.

Over two grim nights in Los Angeles, the young followers of Charles Manson murdered seven people, including the actress Sharon Tate, then eight months pregnant. With no mercy and seemingly no motive, the Manson Family followed their leader's every order. Twenty years ago, when journalist Tom O'Neill was reporting a magazine piece about the murders, he worried there was nothing new to say. Then he unearthed shocking evidence of a cover-up behind the "official" story, including police carelessness, legal misconduct, and potential surveillance by intelligence agents.

One late spring evening in 2010, Shannan Gilbert - after running through the oceanfront community of Oak Beach screaming for her life - went missing. No one who had heard of her disappearance thought much about what had happened to the 24-year-old: She was a Craigslist escort who had been fleeing a scene - of what, no one could be sure. The Suffolk County police, too, seemed to have paid little attention - until seven months later, when an unexpected discovery in a bramble alongside a nearby highway turned up four bodies, all evenly spaced, all wrapped in burlap.

In May 1971, Pam Jackson and Sherri Miller were two seventeen-year-olds driving to an end-of-the-school-year party in a rundown Studebaker Lark, when they seemingly disappeared off the face of the earth. Police back then didn't do enough to try and find them. Investigators thirty years later did too much. Two families endure decades of pain as they await answers of what happened to their girls. When a third family is pulled into the mystery, they quickly learn their nightmare is just beginning.

The names of notorious serial killers are usually well-known; they echo in the news and in public consciousness. But most people have never heard of Israel Keyes, one of the most ambitious and terrifying serial killers in modern history American Predator is the ambitious culmination of years of interviews with key figures in law enforcement and in Keyes's life, and research uncovered from classified FBI files. Callahan takes us on a journey into the chilling, nightmarish mind of a relentless killer, and to the limitations of traditional law enforcement.

In 1974, Dennis Lynn Rader stalked and murdered a family of four in Wichita, Kansas. Since adolescence, he had read about serial killers and imagined becoming one. Soon after killing the family, he murdered a young woman and then another, until he had 10 victims. He named himself “B.T.K.” (bind, torture, kill) and wrote notes that terrorized the city. He remained on the loose for 30 years.

I order another bourbon, neat. This is the drink that will flip the switch. I don’t even know how I got here, to this place, to this point. Something is happening to me lately. I’m drinking too much. My sheets are soaking wet when I wake up from nightmares of decaying corpses. I order another drink and swig it, trying to forget about the latest case I can’t shake. Crime solving for me is more complex than the challenge of the hunt, or the process of piecing together a scientific puzzle. The thought of good people suffering drives me to the point of obsession.

At first, the residents of Kauai Beach Resort took little notice of their new neighbors. The glamorous blonde and her tall husband fit the image of the ritzy gated community. The couple seemed to keep to themselves - until the police knocked on their door with a search warrant. Lori Vallow and Chad Daybell had fled to Hawaii in the midst of being investigated for the disappearance of Lori's children back in Idaho - Tylee and JJ - who hadn't been seen alive in five months.