When John Kowalczyk is shot dead, rumors fly in the quiet town of Vienna, VA. Friends can't imagine who would murder the successful entrepreneur. But as police look into John's inner circle, a web of suspects emerges that has the whole town on edge.

Shoreline, WA is shattered when 43-year-old nurse Renee Powell is murdered and her home set afire. When the killer strikes again exactly 30 days later with the same M.O., police fear they have a serial killer on their hands. But the trail grows cold and it takes a jilted lover to shake this case loose.

When Bob Eidman is found executed in his office in broad daylight, the people of St. Charles are terrified a cold-blooded killer is on the loose. But when police discover Bob's secret life, they expose a slew of suspects with motive for murder.

A mysterious call draws the Sheriff's Office in Orlando, FL, to a young artist's second floor apartment, where she's found brutally beaten. With few clues to investigate, can detectives uncover this shadow in the night before he strikes again?

The charming town of Macon, GA, panics when Mercer Law School grad Lauren Giddings goes missing, and police search her apartment complex, finding a human torso in a trash bin. Detectives uncover multiple suspects with motive and means. But only one person in the group is sadistic enough to kill.

In Traverse City, MI, 16-year-old Kathey Horn vanishes into the night. As police work tirelessly to find her, they uncover an underworld in their majestic town filled with nomadic hippies, witches, and cults.

In 2006, Christmas cheer hits an all-time-low in Hubbardston, MI when 80-year-old Billie Cunningham is found murdered in her home. Years pass as police search for a vicious killer. But it turns out the shocking confession is well worth the wait.

When Debbie Fagan is found shot to death in her car, the small town of Monrovia, Maryland, fears the worst. Who would want to do this to a loving mother of two? But as detectives dig into Debbie's past, they uncover a web of lies and deceit.

When 18-year-old Brittany Loritts is murdered in her Salisbury, NC, home in the summer before starting college, investigators are at a loss as to who would commit such a crime. The case gets hot when investigators find that the family home is built on buried secrets.

The small town of Poplar Bluff, MO, is jolted awake in 1992 when 31-year-old Laura Wynn is found sexually assaulted and strangled to death in her bedroom. And when a double homicide hits a nearby town, people are terrified. Thirteen years later their fears are confirmed when DNA proves the killer lives among them.

The gruesome slaying of adored resident and wife 48-year-old Debra Rawls in 2004 leaves the small town of Summerfield, FL, paralyzed with fear. A swath of hooligans quickly deepens the suspect pool, but a speck of blood makes the biggest splash in discovering the true identity of the killer.

When Jessi Evans and Jake Wheeler go fishing -- and never come home -- the townsfolk of Norris City, IL, fear the worst. Then, after Jake's truck is found at an abandoned house with a body in its bed, detectives uncover a twist that rocks this God-fearing community to its core.

When 18-year-old freshman Katherine Foster goes missing, terror strikes the heart of the University of South Alabama. Has she been abducted? Raped? Is there a killer in their midst? Rumors fly, as students fear the worst - anyone could be next.

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

When 22-year-old artist Shelley Nance disappears and is later found stabbed to death, the shocking murder sends the community of Lake Highlands, TX, into a panic. Friends are stunned as police zero in on her closest friends. What they uncover is jealousy, hate, and a bizarre fatal attraction.

In the quiet suburb of Cordova, TN, Jimmy McClain lives a good life as a local high school teacher and coach. Then early one February morning, police find him dead at home and compile a laundry list of suspects, all with strong motives.

When 16-year-old BFFs Dawn Donaldson and Crissy Campbell vanish overnight, the residents of Grass Valley, CA, fear for their children's safety. Rumors fly, from runaways to abduction. Detectives must find them before their worst fears come true.

Bloomsbury, NJ, is the epitome of small-town America. When Monica Massaro is found viciously murdered in her home with her throat slashed, it rocks this town to its core. A tip comes in from 300 miles away to help police hunt down the killer, and the results leave residents shaken.

The tiny town of Boonville, MO, is devastated when the body of 8-year-old Alyssa Owen is found near a rural country road. When another body turns up six weeks later, investigators soon learn the senseless brutality of this double homicide.

When 34-year-old single mom of three Joanna Presti and her 12-year-old daughter, Alyssa, are found slain in their Woburn, MA, home, police sift through exes and neighbors to nab their murderer. But when a mysterious photo is found in the Presti home, a killer is exposed.

24-year old waitress Zilpha Lowery goes missing in July 1993. Six months later, the gruesome discovery of her body has folks in Marion, NC, baffled. It's a frustrating case that takes police through the victim's past but goes cold until a decade-old lead helps police catch a killer.

When peaceful older couple 69-year-old Norm Leighton and 44-year-old Patti Hubbert are violently murdered and their apartment is set on fire, locals fear quiet Billings, MT, is turning into the Wild West. And when the couple's neighbor turns up dead, police are off on a wild ride to solve the case.

22-year-old college student Katie Sepich disappears one night only to be found raped, murdered and set on fire in a landfill the next morning. It's a case that leads Las Cruces, NM, detectives from the victim's inner circle to a potential serial killer and then back to their own front door.

When 27-year-old divorced father Jarrod Davidson is shot in the doorway of his Santa Barbara apartment, the neighborhood fears there's an assassin on the loose. As detectives dig deeper into Jarrod's past, they find out he got mixed up with the wrong person and a plant left at the crime scene is the key to catch his killer.

When 56-year-old widower David Lunz is gunned down in his Palm Harbor, FL, home, this laid-back community fears the worst. It takes investigators more than two years and a surprise clue found 600 miles from the crime scene to nail a killer from David's past.