When Veronica Bozza's body is found on her living room floor, it sends shock waves through the close-knit community of Bridgewater, Tenn., and leads investigators to uncover a bizarre murder plot right out of a Hollywood movie.

In St. Charles, Mo., insurance agent Bob Eidman is found shot to death in his office, leading police to probe his secret life and uncover a slew of murder suspects.

In Hanover, Pa., townspeople are shocked when kindly 55-year-old Monica Schmeyer is found shot to death in her living room.

When 18-year-old college freshman Katherine Foster goes missing, rumors fly as fellow students at the University of South Alabama fear the worst.

In Norris, Ill., Jessica Evans and Jacob Wheeler never return home after going fishing, then Wheeler's abandoned pickup truck is found with a body in its bed.

As police search for missing 16-year-old Kathey Horn, they uncover an underworld in their majestic town of Traverse City, Mich., filled with nomadic hippies, witches and cults.

The murder of Dennis and Norma Woodruff in their rural Texas home sends shock waves through the town.

Hometown paperboy David Reed seems to vanish into thin air, but an unexpected clue from the past helps solve the case two decades later.

A female student is shot while on Spring Break in Daytona Beach, Fla.

A woman disappears with no evidence.

After John Kowalczyk is shot dead, his friends cannot imagine who would murder the successful entrepreneur, but suspects emerge as police begin to look at Kowalczyk's inner circle.

Speculation and rumors fly when 16-year-old best friends Dawn Donaldson and Crissy Campbell vanish overnight and detectives must uncover the truth behind their disappearance.

A single mother trying to settle in upstate New York vanishes without a trace.

In Rock Hill, S.C., former homecoming queen Melinda Snyder's murder embroils the town in a mystery that won't be settled until the South Carolina Supreme Court weighs in.

Jimmy McClain is a teacher and coach at a Tennessee high school, then he is found assassinated in his home, and police must contend with a laundry list of suspects.

In Macon, Ga., Mercer Law School graduate Lauren Giddings goes missing, and police search her apartment complex, finding a human torso in a trash bin.

After business owner Michael Zammitti Jr. is found shot to death at his desk, police must untangle a web of lies and corruption that will rock two New England towns.

In Monrovia, Md., Debbie Fagan is found shot to death in her car, leading detectives to uncover a web of lies and deceit as they dig into her past to find out who would want to murder the loving mother of two.

When Staff Sgt. Michael Severance goes AWOL, the community of San Angelo, Texas, rallies around his bride, then investigators discover a sinister side to his disappearance, uncovering a saga of treachery and passion as big as the state of Texas.

Three members of a church-going family are killed in a triple murder in Lancaster, Pa.

Police suspect foul play after high school sophomore Kiplyn Davis fails to return home from school.

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.

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.

More than 700,000 people are reported missing in North America every year. In many cases involving kids, AMBER Alerts produce a coordinated response by nationwide media and emergency services. But when someone 18 or older is considered a possible runaway, investigations often lack the same urgency, and family members are left to pick up the slack. "Last Seen Alive" documents the journeys of people chasing leads, interviewing potential witnesses, and traveling the country in search of relatives. Episodes follow the cases of two people, beginning at the moment they were last seen. The families -- desperate and with everything to lose -- get help from professional investigators who have had success locating people. Some stories have heart-warming conclusions; some end tragically; others still remain open.

Each episode of this true-crime reality series examines a different felon, usually a female, who has committed murder or attempted murder. The victim is usually the perpetrator's partner. The documentary-style series features interviews with friends and family members of the accused and victims, law-enforcement officials, attorneys and other people with first-hand knowledge of the cases.

Some of the world's most notorious murders are the subject of "It Takes a Killer," which investigates the crimes from the perspective of the killers, trying to get inside their minds and determine their motives. Leading homicide investigators and experts from such agencies as the FBI and Scotland Yard take a look at the evidence pulled from crime scenes and profile the killer's behavior to try to piece together the details of each murder, explaining when, why and how each criminal committed the crime. For the wannabe detectives watching the show, the experts also reveal how the crime was solved -- which often requires authorities to think like a killer.

From the moment a homicide is reported, a file is assembled to document every facet of the investigation -- crime scene photos, notes and observations, forensic reports, witness interviews, suspect profiles -- and continues to grow with new information until an arrest is made and conviction attained. Investigation Discovery opens these "murder books" to tell haunting tales buried within the pages. Hourlong episodes take viewers back in time with details of decades-old cold cases using actual archival footage, crime-scene evidence and first-person interviews with lead investigators, unraveling the mystery and uncovering what broke the cases open.

No one would suspect that the perfectly manicured lawns with trimmed hedges and fences lined up like toy soldiers would harbor such a secret, but sometimes things are not always what they seem. "Buried in the Backyard" examines true-crime stories about unfortunate victims found buried in the most unlikely of places -- the backyard. When the remains are unearthed, its the very beginning of an investigation, police piece together the person's identity and determine the cause of death before seeking the person responsible. Thrilling and captivating re-creations paired with firsthand knowledge from those closest to the victims can be seen as investigators track down the "why" and "how" and give viewers a shocking tale.