From blushing brides turned cold-blooded killers to smitten grooms with shocking dark sides, "Fatal Vows" examines the criminal psychology behind deadly divorces. Guiding viewers through actual stories of love gone wrong are psychotherapist Stacy Kaiser and forensic/clinical psychologist Dr. Brian Russell, who examine each couple to better understand how the marriage turned from flawed to fatal. Stylized re-enactments are supported by interviews with family, friends, law enforcement, and potential victims of the crime, while Kaiser and Dr. Russell provide analysis on unions that break down until divorce and murder collide.

Chilling scenarios unfold in this true-crime series, which tells actual stories of people who shared their lives with loved ones who became killers. Each hourlong episode puts viewers in the shoes of the loved one, who first notices that something is amiss, interprets the puzzling signs and clues, and eventually comes face-to-face with the horrible truth: that the person has a very dark side. Exclusive interviews and firsthand accounts of the critical moments leading up to the vicious acts showcase devastating, often undiscussed consequences on the people who have nurtured, loved and raised a murderer.

The power of Investigation Discovery's dedicated fanbase unites with legendary victims' rights advocate John Walsh to continue his lifelong mission to track down fugitives on the run and find missing children. On each hourlong episode, John tells the time-sensitive stories of two fugitives and two missing children, taking viewers on a journey through the eyes of family members, friends and authorities who are desperate for resolution. He is joined by his son, Callahan, who leads the operation on the ground, working in tandem with the community and local authorities to solve the cases.

Investigation Discovery's "The Murder Tapes" chronicles homicide investigations using raw and unfiltered footage, including body-cam, surveillance and interrogation-room footage. Family members react in real time, investigators give their first impressions at crime scenes and suspects protest their innocence before coming clean. Viewers see and hear it all, getting up-close and personal with real-life murder investigations. Episodes track cases from start to finish, proving that the truth wins out when tapes roll.

Bordering four states and parts of Canada, Lake Erie is a popular Midwest destination for year-round family activities. Ominously, it's also the home to some dark and deadly crimes. This programming event brings viewers to the edge of Erie's waters to explore murder cases in the region, topped by a three-hour investigation into the 1989 kidnapping and murder of a 10-year-old Amy Mihaljevic. Still an active, unsolved case, Amy's story remains a source of intrigue and speculation in the region. Episodes sort through the facts of the case and painstakingly follow how each lead was exhausted and how suspects were dismissed one by one. The series continues with stories of four additional haunting murder mysteries from the area that were solved by law enforcement.

"Twisted Love" takes a look inside shocking crimes that were committed in the name of love.

Living in a surveillance society means everyday actions are caught on camera, mostly of honest citizens going about their routines. Video, however, doesn't discriminate; criminals also end up on film. "See No Evil" presents dramatic stories of crimes being solved with the aid of surveillance cameras. Testimony from police, eyewitnesses and families are woven into re-enactments bolstered by actual security-camera footage, which helps unlock answers to cases that otherwise might have remained unsolved and left dangerous perpetrators at large.

Investigation Discovery and People magazine partner to re-examine some of the most high profile crime cases in recent history. The one-hour series brings viewers tales of betrayal, buried secrets and unsung heroes, ripped from the pages of one of the nation's top weekly magazines. These stories transcended news and became part of pop culture, revealing shocking twists, new evidence, and unexpected resolutions. Interlaced within every episode are exclusive interviews with People's journalists, archival footage, re-creations, and firsthand accounts by those closest to the investigations.

Using dramatic re-enactments bolstered by police reports and forensic evidence, Investigation Discovery delves into the minds of female killers in "Deadly Women." Each episode focuses on four different cases in which women, for a variety of reasons and with a variety of methods, chose to take the lives of others. Stories featured include more recent cases, like that of Andrea Yates, the Texas woman who in 2001 drowned her five children one by one in the bathtub and then called police, to older cases like that of the "baby farmer" Sarah Makin in 1890s Australia, who killed illegitimate infants left temporarily in her care.

Neighbors turn against each other with frightful consequences.

The most terrifying criminals often hide in plain sight, looking as ordinary as a friendly next-door neighbor. Those regular Joes are the focus of "American Monster," precisely because lurking within them are psychopathic killers. Similar to Investigation Discovery's "See No Evil," the hourlong series uses personal movie footage of the monsters-in-disguise at home with family and friends, giving viewers a sense of how their lives are seemingly normal. Interweaved are the stories of their astonishing crimes and interviews with neighbors and loved ones.

Lt. Joe Kenda spent 23 years in the Colorado Springs Police Department, where he amassed a lifetime of memories catching killers and helping solve close to 400 homicide investigations. The vivid memories are brought back to life in this hourlong series, as Kenda reopens his "Murder Books" for viewers -- folders in which every detail of his murder cases is held -- to revisit the most disturbing cases still haunting him today. As he details the process of how he solved the crimes, Kendra also embarks on a personal journey, coming to terms with long-suppressed nightmares. As he says, "I don't want to tell these stories. I need to."

Pairing actual crime scene video with real home video to create an intimate and emotionally powerful mystery.

With one quick click the internet allows people to share information like family photos and professional accomplishments, making it easy to ignore or forget that behind clever screen names and witty captions is a dark digital world with real dangers and risks. In hour-long episodes, "Web of Lies" unravels tragic stories of deception and manipulation triggered by online interactions, from predators lurking behind Facebook profiles to creeps scouring chat rooms for their victims. Re-enactments are buttressed by comments from law enforcement personnel, true-crime experts and psychologists, plus first-person accounts from friends and families of the victims.

Powerfully emotional stories tell of people who have been targets of compulsive stalkers. According to the Centers for Disease Control and Prevention, more than 6 million people in the U.S. are stalked each year, and in most instances, the stalker is someone the victim already knows. The series' hourlong episodes dramatize actual cases through visceral re-enactments and pointed testimony of victims, family members and law enforcement authorities, revealing what happens when stalkers can't have what -- or who -- they want, and stop at nothing to ensure that no one else can either. The chilling accounts probe the mechanics of an obsessive mind and the devastating impact of delusion.

From the outside, families seem like harmonious units in loving homes. But you don't necessarily know what secrets families are hiding from the outside world. This series, narrated by actress Brenda Strong, explores families hiding the most extreme of family secrets: murder. Each episode explores a death in a family, unraveling the motives of the family members, all of whom are potential suspects -- and potential victims. Sibling rivalries, disputes over family businesses and infidelity are some of the factors that lead to the families' ultimate betrayals.

Stories of the survivors who were kidnapped and lived.

Actual murder cases from the 1950s and '60s get sleek, cinematic treatment in this series, transporting viewers back to a pre-forensics era when sometimes it was more about how suspects looked than what they did that determined guilt. Narrative by a fictional bystander -- who "knew" the victim -- drives the hourlong episodes, while reporters who covered the case explain how the events impacted society. Artfully crafted re-creations play out like period thrillers, staying true to fashions and styles, while spotlighting cultural taboos and social norms surrounding each case.

If anyone goes down a dark path in East Texas, Sheriff J.B. Smith and detectives Pamela Dunklin and Joe Rasco are right on their tail. The three crime fighters perfectly complement one another: Dunklin leads with her intuition and is detail oriented; Rasco is the analytical thinker of the group; and Sheriff Smith is their fearless leader, empowering Dunklin and Rasco to tap into their skillsets. Each episode focuses on a memorable case, retracing the crime scene, the evidence, and the power of deduction it took to bring a killer to justice. It features in-depth interviews and detailed recreations, with interviews from victims' friends and families, news media, and other law enforcement weaved throughout the episode.

Veteran journalist Paula Zahn steps out of the studio and into the field to unravel criminal investigations, tracking the drama of each story by featuring the opinions of those closest to the case, including law enforcement officials, the families of the victims and the incarcerated, lawyers from both sides, and first-time TV interviews with convicted murderers.

Journalist Tamron Hall leads a team of correspondents in this newsmagazine series. Each hourlong episode presents two complex and compelling crime cases, and Hall and the investigative team dig beyond the headlines to explore not only what happened in each case but also why it happened. Interviewees including detectives, prosecutors and psychological profilers -- as well as criminals and their victims -- reveal what caused people to turn to crime, then whether justice was served finally. Emmy-winning journalists Michelle Sigona and Angeline Hartmann, "America's Most Wanted" correspondent Tom Morris Jr., best-selling author Aphrodite Jones, and filmmaker Keith Beauchamp are also featured in the series.