The Curious Case of Natalia Grace

The friendship between two young women descends into chaos with fatal consequences after living together proves to be too intense.

Stories behind the shocking crimes caught on camera that gain viral fame are featured.

Boston-based private investigator Brian Wolfe is followed as he works on his cases. It's inspired by actual cases investigated by Wolfe and his assistant, Janine McCarthy, and whether the target is a cheating spouse, dishonest employee, or scammer, each half-hour episode follows the two from the initial client consultation to evidence-gathering stages and finally a confrontation with the accused. Wolfe, a no-nonsense guy with a thick Boston brogue, conducts field work using an arsenal of tried-and-true P.I. tricks; McCarthy picks up the data trail left on the Internet; and re-enactments give each case life, disclosing a shadowy world where things aren't always as they seem.

Like trying to decipher the value of a book without ever opening it, judging a person by his or her outward appearance can be a mistake. Someone may look perfect on the outside, but even the most kind-hearted soul has a dark side looming. "Diabolical" is a docuseries that delves into theminds of murderers, asking a simple question: "Why did they do it?" The acts were committed with extreme premeditation -- many were months or even years in the making. Tension builds in each episode as law enforcement taps into the methods of devious masterminds, aided by insights from forensic psychologists and psychiatrists as well as criminal profilers.

The tales of mysterious murders that rocked small-town America. Each hour brings you a new murder mystery and a new look into the evil that can lurk in the heart and soul of a tight-knit community. Interviews with investigators, prosecutors, family members and neighbors piece together the twisting tale of a classic whodunit.

When Donna Jean Awcock failed to return home after babysitting in October 1983, her devastated family had no idea what could have happened. Although her remains were found just one day later in an area not far from where she was babysitting, no arrest has ever been made in connection with the 17-year-old's sexual assault and murder. Thirty years later, Mike Arntfield and his squad are re-examining the case with fresh eyes in their quest to end the family's nightmare. What's shocking is the number of people who could have committed this evil deed.