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.

In 1911 two British heiresses, Claire and Dora Williamson, read a brochure about a revolutionary fasting treatment that promised a lifetime of good health. The sanatorium in the village of Olalla, west of Seattle, was surrounded by a beautiful forest, sparkling waters and fresh air. The sisters agreed it sounded perfect and exactly the restorative holiday they needed. But within a month of arriving, under the supervision of Doctor Linda Burfield Hazzard, Claire and Dora began to realise the frightening truth – they were not patients but prisoners at the isolated sanitorium.

Happy and retired, Tom and Jackie Hawks lived a charmed life in sunny Southern California. They were delighted when former child star Skylar Deleon and his pregnant wife, Jennifer, offered cash to purchase their 55-foot yacht, the Well Deserved. But a trial voyage turned into a nightmare. Out at sea, the Hawkses begged for their lives as they were forced to sign everything over to Skylar. In return, they were tied to the ship's anchor and thrown overboard - alive.

On a chilly November afternoon in 1998, a tearful 36-year-old man walked into the Humboldt County Sheriff's Department in Eureka, California, and confessed to something horrible. "I hurt some people," he said. Inside his pocket was the ghastly proof of his statement. But there was more to Wayne Adam Ford than the trail of mangled victims he left behind. More, even, than the twisted predator inside, which drove him to increasingly perverse sexual appetites.

The call came on the morning of July 13, 2011, from the historic Spreckels Mansion, a lavish beachfront property in Coronado, California, owned by pharmaceutical tycoon and multimillionaire Jonah Shacknai. When authorities arrived, they found the naked body of Jonah's girlfriend, Rebecca Zahau, gagged, her ankles tied and her wrists bound behind her. Jonah's brother, Adam, claimed to have found Rebecca hanging by a rope from the second-floor balcony. On a bedroom door in black paint were the cryptic words: She Saved Him Can You Save Her.

For years, Eddie Lee Sexton ruled his large family like Charles Manson. The depraved patriarch dominated his ragged brood of twelve children mentally, physically, and sexually, and enforced every cruelty imaginable, from vicious beatings to raping his daughters and fathering their children. Finally, in 1992, Sexton's eighteen-year-old daughter Machelle, seeking refuge in a women's shelter, revealed the shocking, sordid details of her father's abuse to authorities. As the law attempted to catch up to Eddie Lee Sexton, he moved his family to a mobile home in western Florida.

On May 31, 2014, in the Milwaukee suburb of Waukesha, Wisconsin, two 12-year-old girls attempted to stab their classmate to death. Morgan Geyser and Anissa Weier’s violence was extreme, but what seemed even more frightening was that they committed their crime under the influence of a figure born by the internet: the so-called “Slenderman”. Yet the even more urgent aspect of the story, that the children involved suffered from undiagnosed mental illnesses, often went overlooked in coverage of the case.

David Brown was the consummate entrepreneur: a computer wizard and millionaire by age thirty-two. When his beautiful young wife was shot to death as she slept, Brown's fourteen-year-old daughter, Cinnamon, confessed to killing her stepmother. The California courts sentenced her harshly: twenty-four years to life. But in the wake of Cinnamon's murder conviction, thanks in part to two determined lawmen, the twisted private world of David Brown himself unfolded with astonishing clarity—revealing a trail of perverse love, twisted secrets, and evil mind games.

On September 28, 2000, former Indiana state trooper David Camm made a frantic call to his former colleagues in the state troopers office: He had just walked into his garage and found lying on the floor the bodies of his 35-year-old wife Kim and their two children Brad and Jill, ages seven and five. Three days later, things got worse when police arrested David Camm for the triple murder. Soon new stories started emerging about mistresses and violent bursts of temper.

Although happily ensconced in a loving second marriage and a new family of quadruplets, Sheila Blackthorne Bellush never truly escaped the enslavement of her ex-husband, multimillionaire Allen Blackthorne, a handsome charmer - and a violent, controlling sociopath who terrorized her for a decade after their divorce. When Sheila was slain in her home, in the presence of her four toddlers, authorities raced to link the crime to Blackthorne, the man who vowed to monitor Sheila's every move in his obsessive quest for power and revenge.

Two days after Christmas, 2011, Russel Faria returned to his Troy, Missouri, home to find his wife, Betsy, dead, a knife still lodged in her neck. She had been stabbed 55 times in a brutal murder that would set off a chain of events leading to one man's wrongful conviction and imprisonment, another man's death, the revelation of a diabolical scheme, and an astounding miscarriage of justice left unresolved for another 10 years.

In and out of hospitals since birth, angelic nine-month-old Morgan Reid finally succumbed to what appeared to be sudden infant death syndrome. Morgan's Texas-born mother, Tanya, a nurse and devoted wife, pulled up stakes with her grieving husband, Jim, and moved on. It was the best way to put the past behind them. Until their son, Michael, a boy who by all accounts was terrified of his mother, began showing signs of the same affliction that stole the life of his baby sister....

On a November morning in 2015, Christopher Jackson waited for his fiancée, Angila Wilder, to pick him up from work as she always did. But this time, she didn’t show - and Christopher’s calls went unanswered. The police found what looked like a scene from a horror movie at their home. The backdoor kicked in. A bedroom splattered with blood. And a pregnant young woman violently stabbed to death.

As a young man, Randall Woodfield had it all; he was a star athlete with good looks and an award-winning student. Working in the swinging West Coast bar scene, he had more than his share of women. But he wanted more than just sex. An appetite for unspeakable violent acts led him to cruise the I-5 highway through California to Washington, leaving a trail of victims along the way. As the list of the dead grew, the police mobilized to stop a twisted killer who had 44 known deaths to his name.

In a quiet community of million-dollar homes and shiny SUVs, the Nyce family projected the very image of success. Dr. Jonathan Nyce, an asthma sufferer, had achieved medical breakthroughs that made him rich - and offered hope to countless people. Michelle's beauty made her an object of desire. And adultery was her husband's worst nightmare.

For 20 years Daniel Paquette's murder in New Hampshire went unsolved. It remained a secret between two high school friends until Eric Windhurst's arrest in 2005. What was revealed was a crime born of adolescent passion between Eric and Daniel's stepdaughter, Melanie - redefining the meaning of loyalty, justice, and revenge.

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.

It was a bleak November in 2012 when Cari Lea Farver vanished from Omaha, Nebraska. Cari, 37, was a devoted mother, reliable employee, and loyal friend - not the type to shirk responsibilities, abandon her son, and run off on an adventure while her dying father took his last breaths. Yet, the many texts from her phone indicated she had done just that. While Cari's boyfriend, Dave Kroupa, and her supervisor were bewildered by her abrupt disappearance, they accepted the texts at face value. Her mother, Nancy Raney, however, was alarmed and reported Cari missing.

After his first grisly crime, Harvey Louis Carignan beat a death sentence and continued to manipulate, rape, and bludgeon women to death - using want ads to lure his young female victims. And time after time, justice was thwarted by a killer whose twisted legal genius was matched only by his sick savagery. Here, complete with the testimony of women who suffered his unspeakable sexual abuses and barely escaped with their lives and of the police who at last put him behind bars, is one of the most shattering and thought-provoking true-crime stories of our time.

From the outside looking in, Jennifer Pan seemed like a model daughter living a perfect life. The ideal child, the one her immigrant parents saw, was studying to become a pharmacist at the University of Toronto. But there was a dark, deceptive side to the angelic young woman. In reality, Jennifer spent her days in the arms of her high-school sweetheart, Daniel. In an attempt to lead the life she dreamed of, she would do almost anything. For many years she led this double life. But when her father discovered her web of lies, his ultimatum was severe. And so, too, was her revenge.

William Neal, who called himself "Wild Bill Cody," was seductive and skillful at separating love-struck women from their money, and ultimately, their lives. Apprehended by police, Neal, who proclaimed himself “better than Ted Bundy,” pleaded guilty to three murders then insisted on representing himself at his death penalty trial. But the psychopathic killer found himself up against the incredible courage of his one surviving victim.

The most common triggers for homicide are fear, rage, revenge, money, lust, and, more rarely, sheer madness. This isn’t an exact science, of course. Any given murder can have multiple triggers. Sex and revenge seem to be common partners in crime. This book offers my memories of homicide cases that I investigated or oversaw. In each case, I examine the trigger that led to death. I chose this theme for the book because even though the why of a murder case may not be critical in an investigation, it can sometimes lead us to the killer.

Ann Rule, who shared her own nerve-jangling account of unknowingly befriending sadistic sociopath Ted Bundy in The Stranger Beside Me, chronicles other fateful encounters with the hidden predators among us in this riveting collection, fifteenth in the best-selling series drawn from her personal files. First in line is a stunning case that spanned thirty years and took a determined detective to four states - ending, finally, in Alaska - where he unraveled not one but two murders.

Attorney Seth Bader and his wife, Vicki, moved to New Hampshire in 1992. Three tumultuous years later, their marriage ended and left Vicki a broken woman, driven to the edge as Seth seduced their teenage son, Joey, into a violent plot to kill her in cold blood. What followed was one of the most bizarre and harrowing crime stories in New Hampshire history.

A real-estate lawyer in Connecticut's moneyed seaside communities, Beth Ann Carpenter, 30, had beauty, brains, and success. But she wanted more - namely guardianship of her two-year-old niece, Rebecca, daughter of Beth's estranged sister, Kim.

In 1962, Jerry Sherwood gave up her newborn son, Dennis, for adoption. Twenty years later, she set out to find him - only to discover he had died before his fourth birthday. Harold and Lois Jurgens, a middle-class, churchgoing couple in picturesque White Bear Lake, Minnesota, had adopted Dennis and five other foster children. To all appearances, they were a normal Midwestern family, but Jerry suspected that something sinister had happened in the Jurgens household. She demanded to know the truth about her son's death.

On a cold night in January 2001, the idyllic community of Dartmouth College was shattered by the discovery that two of its most beloved professors had been hacked to death in their own home. Investigators searched helplessly for clues linking the victims to their murderer or murderers. A few weeks later, across the river, in the town of Chelsea, Vermont, police cars were spotted in front of the house of a high school senior. Soon, the town discovered the incomprehensible reality that two of Chelsea's brightest and most popular sons, were now fugitives, wanted for the murders.

This riveting inside story of the intense search for the Salt Lake City teenager who was kidnapped from her bed reveals never-before-told details of the largest investigation in Utah state history. Paced like a thriller, this true account moves between the parallel stories of the searchers and the abductor. Going beyond a mere eyewitness account, the book includes information culled from interviews with more than 150 people involved in the search and investigation, notes from family meetings, and memos from law enforcement officials.

Over a three-decade span, more than 20 women - many teenagers - died mysteriously in the small towns bordering Interstate 45, a 50-mile stretch of highway running from Houston to Galveston. The victims were strangled, shot, or savagely beaten.

In 1978, Rodney Alcala was a contestant on the The Dating Game, one of America's most popular television shows at the time. Handsome, successful, and romantic, he was embraced by the audience - and chosen as the winner by the beautiful bachelorette. To viewers across the country, Rodney seemed like the answer to every woman's dreams. Until they learned the truth about his once and future crimes.

On a chilly November afternoon in 1998, a tearful 36-year-old man walked into the Humboldt County Sheriff's Department in Eureka, California, and confessed to something horrible. "I hurt some people," he said. Inside his pocket was the ghastly proof of his statement. But there was more to Wayne Adam Ford than the trail of mangled victims he left behind. More, even, than the twisted predator inside, which drove him to increasingly perverse sexual appetites.

On November 6, 2000, paramedics answered a call to find Kristin Rossum sobbing. Her husband, Greg de Villers, wasn't breathing, and she claimed he had overdosed on drugs after learning that she was leaving him. But family and friends weren't buying Kristin's story - particularly the idea that Greg would take his own life. The daughter of a well-to-do California family, Rossum was a brainy blonde beauty whose talent for toxicology had won her a post at the San Diego County Medical Examiner's Office. But her sweet smile masked a dark side.

Happy and retired, Tom and Jackie Hawks lived a charmed life in sunny Southern California. They were delighted when former child star Skylar Deleon and his pregnant wife, Jennifer, offered cash to purchase their 55-foot yacht, the Well Deserved. But a trial voyage turned into a nightmare. Out at sea, the Hawkses begged for their lives as they were forced to sign everything over to Skylar. In return, they were tied to the ship's anchor and thrown overboard - alive.

She thought she had married her soul mate. But when Carol Kennedy could no longer tolerate her husband's reckless womanizing and out-of-control spending, the artist, therapist, and mother of two had to let him go. Just weeks after their divorce, Carol was found in her Arizona ranch home - bludgeoned to death with a golf club. Her ex, Steven DeMocker, was the prime suspect. Yet it took the authorities months to arrest him - and years to convict....

Nanette Johnston Packard, a sexy divorcee, liked to meet men at the gym and through personal ads. Soon after she began dating millionaire Bill McLaughlin, he moved her and her kids into his bayfront home in Newport Beach. But one man was never enough for Nanette.... Eric Naposki, her NFL linebacker lover, fulfilled Nanette's wilder cravings. Together they schemed to make her fiance's fortune their own. When McLaughlin was gunned down, authorities had suspicions - but no proof.

On a hot summer night in Houston, two teenage girls-bright, beautiful, success-bound friends took a shortcut home from a friend's apartment to make their curfew. They never reached their homes. The next morning, the families of the two girls began a frantic search, organizing friends and neighbors and posting thousands of fliers across the sprawling city. But not until an anonymous 911 call four days later were the bodies of Jennifer Ertman and Elizabeth Pena finally recovered.

In 1985, two 27-year-old friends left their suburban Detroit homes for a hunting trip in rural Michigan. When they did not return, their families and police suspected foul play. For 18 years, no one could prove a thing. Then, a relentless investigator got a witness to talk, and a horrifying story emerged. In 2003, this bizarre case hit the glare of the criminal justice system, as prosecutors charged two brothers, Raymond and Donald Duvall, with murder.

Iowa housewife Tracey Pittman Roberts seemed to have it all: natural beauty, three loving children, and a fairy-tale second marriage to a wealthy, handsome businessman. But beneath the happy façade was a woman who used lies, manipulation, sex, ugly allegations, blackmail - and even murder - to serve her own selfish ends. In 2001, police rushed to Tracey's home after a shooting left her vulnerable young neighbor dead. Tracey claimed it was an act of self-defense. Nine gunshot wounds - and a decades-long trail of extortion and fraud - said otherwise.

John Edward Robinson was a 56-year-old grandfather from rural Kansas. An entrepreneur and Eagle Scout, he was even honored as "Man of the Year" at a Kansas City charity. To some of the women he met on the internet, he was known as Slavemaster - a sexual deviate with a taste for sadomasochistic rituals of extreme domination and torture...even killing.

Aspiring model Sandee Rozzo's big mistake was being kind to Timothy "Tracey" Humphrey. After Rozzo refused the 'roided-up ex-con's advances, she described how he imprisoned, raped, and brutalized her for two days. When the courageous woman pledged to testify against him, Humphrey knew he had to silence her. That's when he turned to 19-year-old Ashley Laney. She had fallen in love with Humphrey, her personal trainer, and would do anything for him. On their wedding night, he made a strange request - one that would end with eight gunshot wounds and a dead body.

Sixteen-year-old Patricia Columbo began working for pharmacist Frank DeLuca, a married father of five, in the 1970s, and the two soon entered into a sexual relationship. Against her father's wishes, Patricia and Frank moved in together. Then, in Elk Grove Village, Illinois, Patricia's father was brutally murdered, along with her mother and 13-year-old brother. Police were suspicious of Patricia's strange behavior after the bodies were discovered, and following their investigation, they arrested both Patricia and Frank.

David Parrish was in disbelief when he learned that 19-year-old Jon Bowie's body had been found hanged from a backstop at the local high school's baseball field and the death declared a suicide. David had known Jon and his twin brother since they were boys. He had coached them on the baseball field and welcomed them into his home for sleepovers with his own sons. However, when David learned how Jon's body was found, he felt compelled to find the facts behind this incomprehensible tragedy.