In Washington Township, Michigan, on Valentine's Day, 2007, Stephen Grant filed a missing persons report on his beloved wife, Tara. The stay-at-home father of two was beside himself with despair. Why would Tara abandon him and their family? Was she involved with another man? Stephen's frantic, emotional search for Tara made national headlines, and the case was featured on Dateline among other television shows and news outlets. But key elements in Stephen's story still weren't adding up....

In 1991, flight attendant Nancy Ludwig checked in to an airport hotel near Detroit. The next morning she was found gagged, raped, and tortured - her throat slit with such rage that she was nearly decapitated. Her husband Arthur never gave up hope that the future would bring enough evidence to close the case. But it was the past that held the clue. In 1985, 55-year-old Margarette Eby, a music professor, met the same grisly death at her cottage in Flint, Michigan. The case went cold - until six years later when the victim's son Mark came upon the story of Nancy Ludwig's slaying.

Roger and Penny Scaggs seemed a poster couple for family values. Evangelical Christians living in booming Austin, Texas, in the mid-1990s, they were respected leaders in their church and community. As Roger diligently worked his way up the high-tech corporate ladder, Penny kept a pristine home and coached similarly devout young women on how to be perfect wives. But on a windy March evening, this godly woman met the devil head-on.

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.

Detroit mortgage broker Mark Unger adored his wife Florence and their two young sons. But after a decade of marriage and increasing financial trouble, Mark's life began to slowly unravel. He became addicted to pain killers and gambling, and ended up spending five months in rehab. Forced to go back to work, Flo became bitter and resentful of Mark and began to have an affair with one of his friends. When Mark returned home and his disability checks weren't enough to make ends meet, Flo filed for divorce.

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.

The day before Halloween 2004 was the last day on Earth for respected, well-liked college professor Fred Jablin. That morning, a neighbor discovered his body lying in a pool of blood in the driveway of Jablin's Virginia home. Police immediately turned their attentions to the victim's ex-wife, Piper, a petite, pretty Texas lawyer who had lost a bitter custody battle and would do anything to get her kids back. But Piper was in Houston, 1,000 miles away, at the time of the slaying and couldn't possibly have been the killer...could she?

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.

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 March 16, 1992, Elizabeth DeCaro, a 28 year-old mother of four, was found dead in her own home, murdered execution-style with two bullets to the head. Her husband, Rick, was immediately a suspect, having previously struck her "accidentally" with the family van after taking out a $100,000 life insurance policy on her. A Killer Among Us presents the true shocking story of Elizabeth's family and their search for justice against the man who continued to play father to the children whose mother he had killed.

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.

The police in Jersey County, Illinois, accepted Paula Sims' story of a masked kidnapper who snatched her baby girl, Lorelei, from her bassinet. Three years later, her second newborn daughter suffered an identical fate - and this time the police were unable to stop searching until they had discovered the whole horrifying truth. This is the full terrifying story of twisted sexuality and hate seething below the surface of a seemingly normal family and of the massive investigation and nerve-shattering trial that made the unthinkable a reality.

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 this unrelenting real-life drama of three wealthy families connected by marriage and murder, Bledsoe recounts the shocking events, obsessive love, and bitter custody battles that led toward the bloody climax that took nine lives.

When the body of 45-year-old Glen Harrelson was found in his Denver home, police tried to contact his wife, but soon they made a startling realization. She had played the part of grieving widow once before: Her previous husband also had died a mysterious accidental death...

June 26, 2010. A Pennsylvania state trooper witnesses a car speeding and crashing into trees. Stopping to help, he finds that the driver, Michael Ballard, is alive - and drenched in blood. When asked what happened, the man answers, "I just killed everybody." Not far from the accident, police make a gruesome discovery. In the home of Michael's ex-girlfriend, Denise Mehri, they find four bodies that had been stabbed repeatedly with a knife.

Roger and Penny Scaggs seemed a poster couple for family values. Evangelical Christians living in booming Austin, Texas, in the mid-1990s, they were respected leaders in their church and community. As Roger diligently worked his way up the high-tech corporate ladder, Penny kept a pristine home and coached similarly devout young women on how to be perfect wives. But on a windy March evening, this godly woman met the devil head-on.

For twenty years, Ken and Kristine Fitzhugh and their two sons had lived lives of comfortable middle-class normality. Then came the shocking news that Kristine Fitzhugh was dead, the victim of a terrible accident.... By the time the Palo Alto Police Department looked closer at the death of Kristine Fitzhugh, there could be only one conclusion. Someone had murdered Kristine in her own home, inflicting a series of horrific blows to the back of her head, and then cleaned up the mess to make it look like an accident.

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.

Dr. John Yelenic was a successful dentist in a small Pennsylvania town. When he met Michele Kamler, he thought he'd finally found the woman of his dreams. She was beautiful, intelligent, and seemed to want all the same things out of life as he did. Michele married Yelenic in 1997. But by 2002, the relationship fell apart…and what followed was a bitter, three-year-long battle. Michele began dating Kevin Foley, a Pennsylvania State Trooper. When, in 2006, Yelenic was found murdered―slashed to death in his own home―Foley was the prime suspect.

On a May evening in 1998, the idyllic marriage of wealthy Lake Tahoe couple Peter and Rinette Bergna ended in a crush of metal. Peter was thrown from the vehicle and lived. Rinette, strapped in her seat, died on impact. In time, the grieving widower would meet a new woman, and put the tragic past behind him. Two-and-a-half years later, his life took another fateful turn. Bergna, esteemed art appraiser and son of one of California's most prominent attorneys, was indicted for the murder of his wife. Was Rinette's death really an accident - or deliberate homicide?

He was a captain in the U.S. Air Force. She was a psychologist in Fayetteville, North Carolina. On the surface, Marty and Michelle Theer appeared to be the perfect married couple. But no one knew of the double life Michelle was leading. Tired of spending one too many nights apart from Marty who was often away on his flight missions, Michelle turned to the Internet to meet men and relieve her loneliness. With each encounter, Michelle became more daring in her sexual escapades. But one man stood out among all the rest: former U.S. Army Staff Sergeant John Diamond.

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.

When the body of 45-year-old Glen Harrelson was found in his Denver home, police tried to contact his wife, but soon they made a startling realization. She had played the part of grieving widow once before: Her previous husband also had died a mysterious accidental death...

A typical morning in the Atlanta suburbs: Businessman Rusty Sneiderman drops his beloved son off at the Dunwoody Prep nursery. In the parking lot, a minivan pulls up next to his car. The driver pulls out a gun - and shoots Rusty four times in the chest. Sneiderman's devoted wife, Andrea, is devastated by the crime. Who could have done this? She is shocked when police trace the shooting to a man named Hemy Neuman - who happens to be Andrea's adoring boss.

RELENTLESS PURSUIT follows the personal mission of a Washington, D.C., federal homicide prosecutor who dedicated himself to bringing justice and closure to the family of a brutally murdered mother and daughter, a case during which the author's own father passed away.

Greg DeVillers was a top biotech executive, and Kristin Rossum was embarking on a career in toxicology at the San Diego Medical Examiner's office. They seemed to be happily married, living the American dream. But only months shy of their second anniversary, Kristin found her handsome husband dead from a drug overdose - his corpse sprinkled with rose petals. By his side was their wedding photo. Authorities deemed it a suicide. Until they discovered that the rare poison found in Greg's body was the same poison missing from Kristin's office.

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.

In Washington Township, Michigan, on Valentine's Day, 2007, Stephen Grant filed a missing persons report on his beloved wife, Tara. The stay-at-home father of two was beside himself with despair. Why would Tara abandon him and their family? Was she involved with another man? Stephen's frantic, emotional search for Tara made national headlines, and the case was featured on Dateline among other television shows and news outlets. But key elements in Stephen's story still weren't adding up....

He'd been shot in the head, decapitated, and set on fire. Who could have turned on the real-estate ace with such bloodthirsty fury? Even before the remains were found, circumstantial evidence was building against Rudin's 52-year-old wife, Margaret, who stood to inherit a handsome share of her husband's fortune. Rudin's friends also suspected Margaret, and the victim had thought that his wife was trying to poison him when he was alive. Then a chilling caveat was discovered in Rudin's living trust: should he die under violent circumstances, an investigation should be conducted.