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.

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.

"Betrayed" reveals chilling stories of chasing the American dream and how the veneer can dramatically crumble, ending in murder at the hands of a trusted family member, co-worker, lover, or friend. The cases of deception are told through the lens of the fictionalized, first-person perspectives of the victims. As investigators, family, and friends peel back the layers and facts of each case, the otherworldly narrator already knows where the trail ends. The narrator guides viewers through various relationships, raising suspicions about who will commit the ultimate betrayal.

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 10-episode docuseries that delves into the minds 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.

When a verdict is rendered, it's not necessarily the end of the trial, as the appeals process can take a significant amount of time to go through the system. In this show, two investigators re-examine controversial murder cases in an attempt to help the families of the people convicted of the featured crimes find out if they should appeal or accept the verdict once and for all. In each episode, new developments in the case -- including additional witnesses and evidence -- help to either support the defendant's contention of innocence or point toward the guilty verdict being the correct one. Re-investigating the cases are defense attorney Melissa Lewkowicz and retired homicide detective Chris Anderson.

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."

"It's not like in the movies," police Sgt. David White says, describing his encounter with a gun-wielding suspect that was captured on his body camera. The video is among those featured on this series, which offers unprecedented access to police units that are using this innovative and vital technology in the line of duty. The series takes viewers on the "ultimate ride-along" as they view the life-or-death, split-second decisions that those in law enforcement are forced to make on a daily basis. Each story weaves interviews with responding officers throughout to provide critical context to their decisions and to add additional insight to the life-changing, sometimes tragically fatal, moments.

Exploring the original "West Memphis Three" case, the celebrity activism around it, and the "satanic panic" that overtook the small town as a result of the belief that the murders were connected to cult activity.

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.

Audio recordings from investigations, including police interviews, recorded telephone calls and voicemails.

Stories of the survivors who were kidnapped and lived.

Most homicide detectives would rather forget what they see at gruesome crime scenes. Pat Postiglione is not like most detectives. He has the gift of a photographic memory. Coupled with a laser sharp eye for evidence and the ability to detect microscopic clues, Postiglione is one of the most valuable detectives in his Nashville, Tenn., precinct. During his more than 25 years working homicide, he has seen hundreds of crime scenes, and he remembers each as if it happened yesterday. For the first time, he recounts his most memorable cases, walking viewers through the locations in exacting detail. Episodes feature each crime scene re-created based on police records and Postiglione's unparalleled memory.

Once dubbed "Wonderland" because of its immense summer beauty and grandeur, the rolling mountains and deep forests of the Pacific Northwest become a haven for a series of murders. Using stylized re-enactments and interviews with law enforcement personnel and family and friends of victims, episodes focus on a team of dedicated Portland, Ore., homicide investigators who seek answers to mysterious, disturbing murder cases. In the premiere, Det. Molly Daul realizes she is dealing with a sexual predator, whose chilling confession remains with Molly to this day. The killer then turns his sights on her, raising the stakes even higher.

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.

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.

In "Impact of Murder," Investigation Discovery uses the victim impact statement as a storytelling device. These statements are delivered in court allowing a family member or friend to describe the impact of a crime. They are a source of strength for those who feel helpless in the face of a senseless crime, and they help crime victims recover from the collateral damage inflicted, giving them a sense of power as they stand up in court to address the perpetrator. Through the victim's words, viewers come to understand the emotional damage endured as well as the significance of the life that was taken.

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.

Using stylized re-enactments to tell actual stories, "Forbidden: Dying for Love" delves into relationships that defy traditions, break taboos, and lead to heinous crimes. These star-crossed lovers -- from the couple who discard religious customs for love to the pastor who falls for the co-worker-- have tried to resist the forces that threaten to keep them apart. However, as Investigation Discovery says, "once they've crossed the line, anything becomes possible."

There's a reason murder investigations don't begin with preconceived notions. Sometimes those least expected to be capable of committing such dark deeds -- respected role models and trusted members of the community -- can have a sinister side. "Unusual Suspects" documents baffling, challenging investigations, actual cases that were anything but cut and dry. Episodes feature in-depth interviews with leading law enforcement personnel combined with stylized re-enactments, illustrating how illusive offenders evaded capture for years before being undone by persistent police work.

Examining occasions where real-life home movies and photos meet true crime scenes.