Joe Kenda investigated 387 murder cases during his 23 years with the Colorado Springs Police Department and solved almost all of them. And he is ready to detail the cases that are too gruesome to air on television, cases that still haunt him, and the few cases where the killer got away. These cases are horrifyingly real, and the detail is so mesmerizing you won't be able to turn it off.

In the most extraordinary journey Ann Rule has ever undertaken, America's master of true crime has spent more than two decades researching the story of the Green River Killer, who murdered more than 49 young women. Green River, Running Red is a harrowing account of a modern monster, a killer who walked among us undetected. It is also the story of his quarry -- of who these young women were and who they might have become.

Decades after Richard Ramirez left 13 dead and paralyzed the city of Los Angeles, his name is still synonymous with fear, torture, and sadistic murder. Philip Carlo's classic The Night Stalker, based on years of meticulous research and extensive interviews with Ramirez, revealed the killer and his horrifying crimes to be even more chilling than anyone could have imagined. The story of Ramirez is a bizarre and spellbinding descent into the very heart of human evil.

He was a model citizen. A hospital volunteer. And one of the most sadistic serial killers of all time. But few people could see the cruel monster beneath the colorful clown makeup that John Gacy wore to entertain children in his Chicago suburb. Few could imagine what lay buried beneath his house of horrors—until a teenage boy disappeared before Christmas in 1978, leading prosecutor Terry Sullivan on the greatest manhunt of his career.

In the summer of 2003, the Houston suburb of Clear Lake, Texas, was devastated when four young residents were viciously slain. The two female victims, Tiffany Rowell and Rachael Koloroutis, were just 18 years old - popular and beloved. But when a killer came knocking, it turned out to be someone they knew all too well. Seventeen-year-old Christine Paolilla was an awkward outsider until the girls befriended her. In this gripping true story, M. William Phelps delves into the heart of a baffling mystery to get to the truth of an act so brutal it could not be understood - until now.

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 September 2011, M. William Phelps made a bold decision that would change the landscape of reality-based television - and his own life. He asked a convicted serial killer to act as a consultant for his TV series. Under the code name Raven, the murderer shared his insights into the minds of other killers and helped analyze their crimes. As the series became an international sensation, Raven became Phelps' unlikely confidant, ally - and friend.

Rachel Newhouse disappeared on the night of November 12, 1998. Only months later, in the same town, Aundria Crawford lost her life in an act of unimaginable violence. As authorities worked to find clues, parole officer David Zaragoza paid a routine visit to one of his charges - Rex Allan Krebs, a violent serial rapist who'd served only 10 years of a 20-year sentence. After sending Krebs back to jail for violating his parole, Zaragoza found a key chain belonging to one of the victims. An intensive search led to the gruesome discovery of buried remains near Krebs' secluded cabin.

The definitive book on the hunt to find the most ruthless serial killer in Los Angeles' history, told by the fearless reporter who broke the story. In 2008, Christine Pelisek broke the story of a terrifying serial killer who went unchecked in Los Angeles for decades, killing the most vulnerable women in one South Central neighborhood.

On a December night in Austin, Texas, teenagers Jennifer Harbison and Eliza Thomas closed up the yogurt store where they worked. The girls were joined by Jennifer's younger sister, Sarah, and her friend Amy Ayers. Less than an hour later, all four girls were dead - tragic victims of an apparent fire. Until it was discovered that the girls had been bound and gagged, sexually assaulted, and shot execution style.

Ken Holmes worked in the Marin County Coroner's Office for 36 years, starting as a death investigator and ending as the three-term, elected coroner. As he grew into the job - which is different from what is depicted on television - Holmes learned a variety of skills, from finding hidden clues at death scenes, interviewing witnesses effectively, managing bystanders and reporters, preparing testimony for court, to notifying families of a death with sensitivity and compassion.

As a child, she was abandoned, abused and raped. By her teens, she was deep into a lifestyle of hitchhiking, petty crime, and the sex trade. In her twisted mind, uncontrollable bouts of violence were pure survival skills.

Erika Sifrit was once a high school basketball star and an honors student. Then she married Navy SEAL Benjamin Sifrit. Some say Erika was abused by "B.J." Some say she pulled his strings. But by the time they reached Ocean City, MD, Erika was packing a gun in her Coach bag and was caught in the grips of a new American death ride.

“Sam, could you do me a favor?” Thus begins a story that has now become part of America's true-crime hall of fame. It is a gory, grotesque tale befitting a Stephen King novel. It is also a David and Goliath saga - the story of a young lawyer fresh from the public defender's office whose first client in private practice turns out to be the worst serial killer in our nation's history. This is a gripping true crime narrative that reenacts the gruesome killings and the famous trial that shocked a nation.

True tales of murder in New England, from the colonial period to today, chronicled by a true-crime master, New York Times best-selling author, and star of Investigation Discovery’s new television show Dark Minds.