Sharon Marshall was a brilliant and beautiful student whose future was filled with promise—until her murderous, fugitive father drew her into a lifetime of deception that became one of the most baffling cases in the annals of American true crime.

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 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.

Within hours of giving birth to her sixth child, Mary Kay Letourneau had her baby daughter whisked from her arms. She was then shackled and returned to her jail cell. Just years before, the pretty, personable Seattle schoolteacher was living a life many would envy - she had a handsome husband, four beautiful children, and a beloved following of students. Then she was accused of raping one of her students, and her whole world turned upside down.

The tragic story of Susan Powell and her murdered boys, Charlie and Braden, is the only case that rivals the Jon Benet Ramsey saga in the annals of true crime. When the pretty, blonde Utah mother went missing in December of 2009 the media was swept up in the story - with lenses and microphones trained on Susan's husband, Josh. He said he had no idea what happened to his young wife, and that he and the boys had been camping in the middle of a snowstorm.

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.

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.

Colorado, 1976. When Reverend Mike Fuller and his beautiful wife, Sharon, arrive in the sleepy town of Rocky Ford, local residents think something’s off about the new couple. The God-fearing minister is gruff and cold, while charismatic Sharon has her husband wrapped around her finger.

In June of I985, while her teenage sons held their half sister down, Theresa Cross beat her I9-year-old daughter, Sheila, unconscious and then stuffed her into a 2' x 2' storage locker. After three days, the knocking, kicking, and cries stopped. Theresa and her sons dumped the girl's body in the desolate High Sierras....

On the morning of July 18, 2014, 41-year-old Florida State law professor Dan Markel dropped his boys off at preschool, hit the gym, and headed home to his quiet, tree-canopied neighborhood. Within seconds of pulling into his garage, two .38-caliber bullets fired from point-blank range were lodged in his brain. His brutal slaying defied explanation.

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.

To his parishioners, minister Matt Baker seemed a pious and good man. To his wife, Kari, he was a devoted husband and caring father. Always sunny and vivacious, Kari never questioned their frequent relocations from one small Texas Baptist church to another. Even when tragedy struck, Kari remained strong - until one day, inexplicably, she took her own life.

Juan Martinez, the fiery prosecutor who convicted notorious murderess Jodi Arias for the disturbing killing of Travis Alexander, speaks for the first time about the shocking investigation and sensational trial that captivated the nation. Through two trials, America watched with bated breath as Juan Martinez fought relentlessly to convict Jodi Arias of murder one for viciously stabbing her ex-boyfriend, Travis Alexander, to death.

In Creekstone, Texas, a small, quiet suburb of Houston, football was king and David Temple was a prince. A former high school and college gridiron-star-turned-coach, he had a fairy-tale marriage to bright, vivacious Belinda Lucas, a teacher at the local high school who was so warm and popular her colleagues called her "The Sunshine Girl". The fairy tale ended savagely on January 11, 1999, when Belinda's lifeless body was discovered in a closet. Her skull had been shattered by a shotgun blast at close range. She was eight months pregnant.

On Christmas Eve in 1985, a hunter found a young boy's body along an icy corn field in Nebraska. The residents of Chester, Nebraska buried him as "Little Boy Blue", unclaimed and unidentified - until a phone call from Ohio two years later led authorities to Eli Stutzman, the boy's father. Gregg Olsen's Abandoned Prayers is an incredible true story of murder and Amish secrets.

In 2007, Dr. Martin MacNeill - a doctor, lawyer, and Mormon bishop - discovered his wife of 30 years dead in the bathtub of their Pleasant Grove, Utah, home, her face bearing the scars of a facelift he had persuaded her to undergo just a week prior. At first the death of 50-year-old Michele MacNeill, a former beauty queen and mother of eight, appeared natural. But days after the funeral, when Dr. MacNeill moved his much younger mistress into the family home, his children grew suspicious.

In Northampton, Massachusetts, at the Veterans Affairs Medical Center, Kristen Gilbert was known as a hardworking, dedicated nurse - so why were her patients dying? So many emergencies and sudden deaths occurred while Kristen made her rounds on Ward C that her colleagues jokingly called her the "Angel of Death".

Ann Rule presents her 8th collection of crime stories drawn from her private files - and featuring the riveting case of a fraudulent doctor whose lifelong deceptions had deadly consequences. Dr. Anthony Pignataro was a cosmetic surgeon and a famed medical researcher whose flashy red Lamborghini and flamboyant lifestyle in western New York State suggested a highly successful career. But no one was safe if they got in his way. With scalpel, drugs, and arsenic, he betrayed every oath a physician makes - until his own schemes backfired.

Jeanne Dominico's fiancé found her body on her kitchen floor. More than forty stab wounds and blows to her head with a blunt instrument had cut her life short. What monster had struck in the heart of a peaceful New England town?

In the summer of 1985, in his exclusive Upper East Side Manhattan apartment, Robert Bierenbaum, a prominent surgeon and certified genius, strangled his wife Gail to death. He then drove her body to an airstrip in Caldwell, N.J., and dumped it into the Atlantic Ocean from a single-engine private plane. The next day he reported her missing.

On June 9, 2008, the butchered body of Travis Alexander was found in his Mesa, Arizona, home. The grisly nature of his death made instant headlines: With 29 knife wounds, his throat slit, and a gunshot to the head, Travis was left to die. The prime suspect in the case was Alexander's ex-girlfriend, the attractive and soft-spoken Jodi Arias. Though Arias initially said that she was nowhere near the scene of crime, little about this case was as it seemed, and before long she had been caught lying to police. As the investigation progressed, her lies evolved multiple times before finally resting on an appalling claim: She had killed Travis in self-defense.

“You learn early that you don’t get to prove your case with Boy Scouts and nuns. Yes, convicted felons will say anything to get out of jail, but they also know a lot.” Plea bargains may grease the rails of justice, but for Jamie Brock, prosecuting criminals is not about cutting deals.

Early on the morning of February 17, 1970, in Fort Bragg, North Carolina, a Green Beret doctor named Jeffrey MacDonald called the police for help. When the officers arrived at his home they found the bloody and battered bodies of MacDonald's pregnant wife and two young daughters. The word "pig" was written in blood on the headboard in the master bedroom. As MacDonald was being loaded into the ambulance, he accused a band of drug-crazed hippies of the crime.

Attorney Ken McClain has nothing to live for. Nine years after the accident that claimed the life of his wife and two sons, he's finally given up. Alone in his empty house, it seems suicide is his only escape. Now the question of death by pills or by bullet? Then suddenly the phone rings, and it turns out to be a case he can't refuse. A case for the life of accused killer Peter Thomason, and a case for his own soul.

In the heart of Indianapolis in the mid-1960s, through a twist of fate and fortune, a pretty young girl came to live with a 37-year-old mother and her seven children. What began as a temporary childcare arrangement between Sylvia Likens's parents and Gertrude Baniszewski turned into a crime that would haunt cops, prosecutors, and a community for decades to come. When police found Sylvia's emaciated body, with a chilling message carved into her flesh, they knew that she had suffered tremendously before her death.

A seemingly perfect world held an even more unlikely killer... Julie Keown had a great job, financial security, and a perfect husband who was attending Harvard Business School. But after Julie suddenly died, and doctors discovered she’d been poisoned with the main ingredient in antifreeze, her parents began to suspect that her husband, James, was not so perfect. This blow-by-blow account shows how investigators and state police unraveled James Keown’s chilling web of deceit.

Thirty-year-old Barbara Weaver was content to live as the Amish have for centuries - without modern convenience - but her husband, Eli, wanted a life beyond horses and buggies. Soon he gave in to the temptation of technology and found ways to go Online and meet women. When Barbara was found dead, shot in the chest at close range, all eyes were on Eli... and his mistress, a conservative Mennonite named Barb Raber. Barb drove Eli to appointments in her car. She gave him everything he asked for: a laptop, rides to his favorite fishing and hunting spots, and sex.

Dr. Helen Morrison has profiled more than 80 serial killers around the world. What she has learned about them will shatter every assumption you've ever had about the most notorious killers known to man.

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.

The mother of Matthew Shepard shares her story about her son's death and the choice she made to become an international gay rights activist.