Homicide City

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.