Years before the name Alex Murdaugh was splashed across every major media outlet in America, local South Carolina journalist Mandy Matney had an instinct that something wasn’t right in the Lowcountry. The powerful Murdaugh dynasty had dominated rural South Carolina for generations. No one dared to cross them.

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 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....

It was a crime that shocked the country. On March 21, 2011, two young saleswomen were found inside a lululemon athletica store in Bethesda, Maryland, one of the nation's wealthiest suburbs. Jayna Murray, thirty, was dead—stabbed, slashed, and struck more than 300 times. Brittany Norwood, twenty-eight, was alive—tied up on a bathroom floor, her clothing ripped, her face bloodied. This is the full true story of what happened.

The brutal murder of Betsy Faria on December 27, 2011 set off a maelstrom of events that resulted in an innocent man's imprisonment and another man's death. It would take a decade to unravel all the misdirection in the Faria murder case, the misconduct of the prosecution team, and the insidious mind of a murderer that St. Charles County Prosecutor Tim Lohmar called "the worst of the worst!" Betsy Faria was stabbed over 55 times. The murder scene was staged in an effort to frame the victim's husband Russell Faria.

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.

On the morning of September 26, 1974, the body of Fern Cowen Rodgers was discovered on the floor of her home in Searcy, Arkansas. The 68-year-old socialite was murdered, sometime in the night, by two bullets fired into her head.

On an unseasonably warm winter evening in Pennsylvania, 15-year-old Patty Desmond sneaked out through the basement of her house. She had a history of running away, and that, combined with an argument with her mother, gave police reason to suspect she’d come home in a week or two.

When police in Rexburg, Idaho perform a wellness check on seven-year-old J.J. Vallow and his sister, sixteen-year-old Tylee Ryan, both children are nowhere to be found. Their mother, Lori Vallow, gives a phony explanation, and when officers return the following day with a search warrant, she, too, is gone. As the police begin to close in, a larger web of mystery, murder, fanaticism and deceit begins to unravel. Vallow’s case is sinuously complex. As investigators prod further, they find the accused Black Widow has an unusual number of bodies piling up around her.

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.

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 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.

In the town of Ada, Oklahoma, Ron Williamson was going to be the next Mickey Mantle. But on his way to the Big Leagues, Ron stumbled, his dreams broken by drinking, drugs, and women. Then, on a winter night in 1982, not far from Ron’s home, a young cocktail waitress named Debra Sue Carter was savagely murdered. The investigation led nowhere. Until, on the flimsiest evidence, it led to Ron Williamson. The washed-up small-town hero was charged, tried, and sentenced to death - in a trial littered with lying witnesses and tainted evidence....

On January 7, 1994, residents of the Berkshire Hills woke up to a typical snowy winter day in the majestic woods of Western Massachusetts. The quaint New England towns, the idyllic scenery and the people who lived there could have stepped out of a Norman Rockwell painting.

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.