Grosse Point, MI is a privileged community untouched by homicide in over 60 years. So when bookkeeper Barbara Iske is found murdered in the driveway of a local home, the village is shocked. Police use the little evidence they have to catch the killer.

On July 4, 1996, 9-year-old Cyndi Allinger doesn't show up for dinner and her mom fears the worst. Is a predator stalking the school-age children of scenic Lakewood, WA? The most likely tip comes from the least likely witnesses, and leads to Cyndi's killer.

When 25-year-old Amy St. Laurent disappears after a night out on the town in 2001, the people of Portland, ME, are terrified. With no body, police don't know what to make of it. But their worst fears are confirmed when a shocking discovery proves murder.

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.

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 Austin York, Matt Self, Mark Barbosa, and Rosa Barbosa are found dead in a McKinney, TX home, detectives embark on a three year investigation. And just when it seems like the murders may never be solved, an eyewitness breaks the case wide open.

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.

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.

When accountant and two-time divorcee Geraldine 'Jerry' Martin goes missing, and is later found viciously murdered and mutilated in 1975, the city of Tulsa, OK, is left in fear. With no solid leads, it takes detectives more than 25 years and new DNA evidence more than 1000 miles away to warm up this cold case.

In Owego, NY, Michele Harris disappears on September 11, 2001. Would she really leave behind her four children and run away from her soured marriage? When blood splatters are found in the home, police begin to suspect that Michele may have met a more sinister end.

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.

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.

After beloved retired custodian James Mayberry is found stabbed to death in his Midwest home in 2002, the folks of Wichita, KS, are in shock. Detectives are stumped until a break comes faster than a prairie tornado that pins down the heartless killer.

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.

When 18-year-old Breanna Schneller is discovered stabbed to death and her throat slashed in her apartment where she lived with her fiancé and his brother, the residents of tranquil Wausau, WI, are stunned. Police hope a cell phone and surveillance videos can help them unravel the mystery surrounding Breanna's death.

When the Korean-American Chae family is terrorized in their suburban home in 2009 in North Wales, PA, only three survive. Local investigators wonder if this is a robbery gone wrong or something more. As the case unfolds, police are shocked to learn of the betrayal behind the murder.

Joliet, IL, firefighters are shocked to find 28-year-old Melissa Plut strangled to death when they respond to a fire in her duplex. Police search the nurse's love life with no luck until a 9-1-1 call unmasks her killer hiding in plain sight.

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.

When 21-year-old Jamaican immigrant Dawnia Dacosta meets a hellish end in 1998, residents of Broward County, FL, are puzzled. Who would want to kill such an angelic, church-going young woman? Detectives are stumped until "divine intervention" strikes and luck leads them to a killer with evil intentions.

After 16-year-old Sherita Williams takes a quick trip to the nail salon in Pennsauken, NJ, she is sexually assaulted, strangled to death and dumped under a bridge in 2003. Police dig up a cast of potential villains but the case goes cold. When the true killer finally appears through a DNA match 4 years later, they find he's in a class all his own.

In Portsmouth, VA, a father comes home to find his 16-year-old daughter stabbed to death. With DNA and fingerprints police hope for an open and shut case. However, the case still goes unsolved for months until a piece of gum points to an unlikely suspect.

The July 4, 1999 discovery of the charred remains of 30-year-old construction business owner Troy Temar in Lebanon, OH, rattles the nerves of its residents. Police are led astray for 6 years until an accomplice's confession exposes a sinister plot orchestrated by a devious killer linked to Troy's past.

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 Nikki Halpin, a divorced mother of 2, is brutally beaten at home in front of her children. She was found barely alive, but later died at the hospital. The residents of Safety Harbor, FL are terrified that a violent intruder is on the loose. But when a mysterious voice on the 911 recording reveals an eerie clue, detectives zero in on an unlikely suspect.

When friendly cashier Tammy Petrin is found shot execution style at the local burger joint in 1991, the town of Woonsocket, RI, is in shock. After lead suspects don't serve up answers, a helpful hooker and letters from jail might be just what detectives ordered.

When a sip from the office water cooler turns deadly for secretary Julie Williams in 1986, detectives in Tempe, AZ are stumped. Who could have had it out for this sweet single mom? Investigators search for the mystery mixologist and are shocked at who they stir up.

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 1991 savage rape and murder of 22-year-old Cindy Pavey, single mom of 2, rattles the tranquil town of Murphysboro, IL. Police investigate a potentially deadly love triangle, but it will take 17 years to harvest the leads necessary to bring her killer to justice.

In 2000, 25-year-old engaged mom Holly Notestine goes missing from her Clearville, PA, home in front of her 2 young children. Leads run out and the case goes cold. Four years later, her body is found deep in a logging forest. After years of fuzzy clues and dead-end tips, cops nab a ruthless killer lurking just around the corner.

When a Texas City, TX girl, 13-year-old Krystal Baker, a great-niece of Marilyn Monroe, is found dead off the banks of Galveston Bay in 1996, investigators round up a herd of suspects. But with little physical evidence on the scene, the case goes cold. It takes a dedicated detective to solve this case 14 years later.

When single mom Norma Rodriguez's murder in 1993 hits the town of Port Hueneme, CA, police are left sorting out the suspects in its wake. It will take a capricious witness and 10 years to clean up the damage. When the dust finally settles no one is more surprised than the killer.

The residents of the small town of Navasota, TX, are horrified when a pillar of their community, 54-year-old funeral home owner Lonnie Turner Sr., is found shot dead in his home. As investigators dig into the case, they discover this brutal murder may be a family affair.

In late 2007, Jasper, TX, native Martin Byerly disappears without a trace. Police look into the 58-year-old ladies man's dance card but can't seem to pin anything on a femme fatal. Then an unlikely tipster helps them learn what happened to Martin.

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.

The 2009 brutal slaying of 32-year-old divorcee Stacie Ann Smith, a single mom of 2, has the townsfolk of St. Albans, WV, reeling. The murderer's message at the crime scene baffles investigators and citizens are shocked that a killer lives in their midst.

When pretty Nags Head, NC, tourist Janet Siclari turns up dead on the beach outside her hotel, the fun comes to an end. When a hurricane blows leads out of town, police wonder if the killer escaped too. Only time can help detectives catch the culprit.

The bloody murder of Beth Grosskopf in 2009 leaves the town of Freedom, PA, riddled with fear. Hopes for quick justice are dashed when the initial suspects don't pan out. But when someone reveals his inner demons, cops move in to catch the killer.

When beloved store manager 47-year-old Mary Peterson is found stabbed to death in her bed in 1995, storm clouds brew over sunny Lakeland, FL. Cops race through a lengthy list of suspects, but a tip from an unlikely source helps nab the cold-blooded killer.

When 12-year-old Michelle Winter goes missing without a trace while walking back from her best friend's house in Springfield, MO in 1995, her mom doesn't have a clue as to who could have whisked this pre-teen away. Cops have many leads, but it isn't until evidence is linked to the killer that they get their big break.

The tight-knit community of eastside Buffalo, NY is stunned in 1994 when the body of beautician and single mom Cynthia Epps is found stuffed into a cabinet placed in a neighbor's backyard next to a vacant lot cut-through; she had been raped, stabbed and nearly decapitated. A clever killer eludes capture for 16 years, but new technology and dogged detective work put him behind bars.

In early fall of 1992, the rural community of Wantage, NJ, is rocked by the murder of beloved local Christine Schurman. Police are at a loss for suspects until a tip about another murder committed in Missouri connects them to their killer.

Holiday cheer ends in holiday fear, when Jean Wholaver and her two daughters are murdered in their home on Christmas Eve. Detectives in Middletown, PA, check their list of suspects twice and are shocked by the killer's true identity.