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.

On a cold January morning, the killer executed Assistant District Attorney Mark Hasse in broad daylight. Eight shots fired a block from the Kaufman County Courthouse. Two months later, a massacre. The day before Easter, the couple slept. Bunnies, eggs, a flower centerpiece gracing the table. Death rang their doorbell and filled the air with the rat-a-tat-tat of an assault weapon discharging round after round into their bodies. Eric Williams and his wife, Kim, celebrated the murders with grilled steaks. Williams planned to exact revenge on all those who had wronged him.

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.

Wealthy, beautiful, and brilliant, Shele Danishefsky had fulfillment at her fingertips. Having conquered Wall Street, she was eager to build a family with her much younger husband, promising Ivy League graduate Rod Covlin. But when his hidden vices surfaced, marital harmony gave way to a merciless divorce. Rod had long depended on Shele's income to fund his tastes for high stakes backgammon and infidelity - and she finally vowed to sever him from her will. In late December 2009, Shele made an appointment with her lawyer. She would never make it to that meeting.

Was Jason the monster who bludgeoned his beautiful wife to death, leaving his toddler alone for hours to walk through her blood? If so - would he get away with it? Murder on Birchleaf Drive documents the gripping tale of a family’s marathon quest for justice, confounding crime scene evidence, the persistence of law enforcement officers, and riveting courtroom combat.

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.

The true story of Barbara Stager, a devoted mother, loving wife, and dedicated church leader who committed an almost perfect crime. By all accounts, Stager seemed to lead the perfect life in her community in Durham, North Carolina. After her husband, popular high school coach Russ, died tragically, the police were inclined to believe her story - that she accidentally shot him. Suspicions rose when the police discovered that Stager's previous husband had died similarly 10 years prior.

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.

The death of promising young pediatric AIDS researcher Eric Miller stunned the Raleigh, North Carolina, community, largely because of the horrific way he was killed. For months, Eric was slowly tortured as arsenic consumed his body. No one thought that Eric Miller's wife, Ann - an attractive, demure, educated scientist - could be capable of such a horrible crime. No one except for veteran homicide investigator Chris Morgan, a man in the twilight of his career. But from the moment Morgan saw the 30-year-old widow in the police department interview room, he knew he was seeing pure evil.

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.

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.

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.

It’s one of the most shocking unsolved missing-child cases in the world. Where is Kyron Horman? Why hasn’t the woman who police suspect is responsible for his 2010 disappearance - Kyron’s stepmother - been charged? That the seven-year-old disappeared from his grade school got the attention of parents around the world.

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.

Joyce Aparo seemed to be the perfect single mother. She doted on her sixteen-year-old daughter, Karin, encouraging her musical ability and lavishing affection on her. But behind closed doors, Joyce was a terror. For thirteen years, she beat Karin savagely and demeaned her relentlessly. When Karin met the troubled yet brilliant Dennis Coleman, the two fell head-over-heels. But Joyce disapproved—so she had to die.