When the bodies of a Philadelphia couple are discovered, shot execution-style in their townhome, friends and neighbors are shocked, but as police dig into their business history they come across a long list of people who might want them dead.
Philadelphia restaurant manager John Thurberg is murdered at work five months before his wedding; the motive is unclear until police begin to question restaurant employees and uncover a web of secrets and lies.
After expectant mother Natise Johnson is found murdered days before she is due to give birth to her first child, Philadelphia detectives focus on those closest to her but soon find Johnson's life is much more complicated than anyone ever knew.
Wealthy aviation pioneer Courtlandt Gross and his wife, Alexandra, are found shot to death in their mansion, prompting a manhunt which takes detectives from Philadelphia's Main Line to the environs of a young drifter with a long criminal record.
Philadelphia's Crescentville neighborhood is known for tranquility seldom seen in major cities, then a woman, her boyfriend and daughter are found slain in their home.
When Russian mortgage broker Fay Zonis is found murdered in her office, it sends chills through Philadelphia's Russian-American community; as detectives hone in on her killer, the investigation sends shock waves around the world.
When 18-month-old Devon Manderach's body is found in a park outside Philadelphia, police suspect her parents; when her father calls looking for both the toddler and her mother, police learn the case is more horrific and tragic than they imagined.
When Bill and Catherine Stuart are executed in their home along with their 3-year-old daughter, police look to surviving daughter Miriam for clues; her description of the killer leads detectives deep into Philadelphia's criminal underworld.
When Ellen Robb's husband finds her murdered in their quiet suburban Philadelphia home, evidence points to a robbery gone wrong; however, police dig deeper into the couple's life, and they learn the motive may be far more sinister.
When Helen Bernstein is found dead in the bathtub of her Chestnut Hill high-rise, she appears to have died of natural causes; when an autopsy reveals she was strangled, detectives ask who would want Helen dead and why.
When 78-year-old George Volz's family finds him hogtied and decomposing in his Philadelphia row house, police turn the elderly man's neighbors for help.
The city of Philadelphia is in shock after hard-working mother Trish McDermott is gunned down on a Center City sidewalk; detectives work around the clock to catch the killer, who turns out to be far more dangerous than they could have ever imagined.
When Asia Adams' body is discovered after a fire in her home, police are unsure if her death was an accident or arson; when the investigation reveals the truly horrific nature of her murder, police find themselves pursuing an elusive killer.
When beloved disc jockey Alberto Martino is found bludgeoned to death outside his radio station, it's appears to be a robbery gone wrong; police quickly learn that Martino was not a random victim but the focus of a carefully orchestrated homicide.
A birthday ends in tragedy when the beloved Nunez family is brutally murdered in their corner store. The triple-homicide orphans two girls and leaves detectives in the dark until a chance encounter breathes new life into the case.
A 17-year-old aspiring artist is found dead in an abandoned house. A devastated family worries the case will never be solved, but 13 years later a lucky break in DNA technology points detectives in the right direction.
A beloved police detective is found dead on a Pennsylvania street, sending shockwaves through the town. At first, Police suspect his murder is connected to a young woman's brutal slaying, but the truth is even more confounding and heartbreaking.
More than two decades after two women are found similarly raped and strangled in North Philadelphia, there's renewed hope that breakthroughs in DNA technology could finally lead detectives to a brutal killer on the loose.
A skeleton is discovered on the edge of a high school football field, during a game of catch. It takes a forensic sculptor, tireless detective work, and some luck, to finally bring the mysterious killer to justice.
The slaying of a young mother and her family provide detectives with a chilling link to another murder gone cold. Now, they must work fast to make an arrest before the killer strikes again.
When a bright, young, exotic dancer is found dead at the bottom of a 12-story bridge, detectives must determine if it's a suicide or the work of a sinister character who wanted more than a dance.
A wild party ends in terror as a bright, young mom's cries for help fall on deaf ears. When detectives retrace her final steps they find a trap with no way out.
Elaine Goldberg's body is found in a vacant lot in Philly's " Badlands," police believe they discovered a prostitute who had overdosed; but when two more bodies are discovered in the same part of town, detectives fear there may be a serial killer loose.
When a hard-working, pregnant mother vanishes, detectives stumble on a love-triangle that may explain the secrets behind her death.