Episode list

Deer Island, Massachusetts, June 25, 2015: A female toddler's body wrapped in two plastic bags washes up on the shores of Deer Island, a small island connected to Boston via a causeway. Area residents rally to find out who she is, and what happened to her. She is nicknamed "Baby Doe" while the investigators field hundred, if not thousands, of potential leads. The unprecedented solidarity of the Boston community receives nationwide attention, helping police solve a heartbreaking mystery. In the end, the case is solved within a few months by a phoned-in tip. This leads investigators to those responsible, Rachelle Bond, the girl's mother; and Michael McCarthy, the mother's boyfriend. The child was identified as Bella Bond, age two. The two responsible are arrested, convicted, and sentenced.

People in the charming city of Hope Mills, North Carolina, are on edge when a high school freshman vanishes while on her way to meet a friend. When she turns up dead three weeks later, law enforcement and the local community rallies to flush out the killer.

Marin County, California, August 3, 2000: The double murder of James "Jim" Gamble, age 54, and his partner Jennifer "Jenny" Villarin, age 45, shocks Northern California's bucolic Marin County. Law enforcement detectives chase an elusive killer through three counties and multiple crime scenes to unravel a twisted tale of terror. In the end, detectives connect five murders to this crime, including Jennifer Villarin's daughter, Selena Grace Bishop, age 22, whose father is the blues/rock musician Elvin Bishop. That same August morning, law enforcement authorities also learned of a missing elderly couple. The daughter of Ivan Stineman, age 85, and Annette Stineman, age 88, had not communicated with her parents in several days and had discovered that many things were amiss when she visited her parents' home. In the end, the five murders were tied to a cult. Arrested and convicted of the murders were Glenn Taylor Helzer, a 30-year-old former Morgan Stanley Dean Witter stockbroker and self-proclaimed prophet, and his two housemates and cult followers, his younger brother, Justin Helzer, age 28, and Justin's girlfriend, Dawn Godman, age 26.

An historic Texan town is stunned when a popular caretaker is found dead and a beloved, wealthy resident goes missing. But with support from a concerned community, detectives uncover the deep rooted secrets that led to murder.

Brittany Royal's body is found in the ocean near Hawaii, and accusations threaten to hurt the Big Island's local community. Was this White woman killed by a Native Islander who thought she did not belong there? Detectives are on the case.

June 20, 1997, Sarasota, Florida: The quiet Sarasota, FL neighborhood of Mirror Lake wakes up to a nightmare when Henry Caneva, a 76-year-old retired successful car salesman, is found strangled to death. He was the live-in boyfriend of Janet Scott, age 50, who had also been brutally attacked and left for dead with a crushed windpipe, but she managed to survive. Detectives are not having any success in solving this crime, until January 5, 1998, when a 911 call for a family disturbance between 39-year-old John Whiteley and his girlfriend, 41-year-old Lela Hodges comes in to the emergency call center. The investigators are able to connect the suspects with a DNA match and confessions. In the end, both Whiteley and Hodges are arrested and indicted for the murder of Henry Caneva and the attempted murder of Janet Scott. Lela Scott Hodges was the daughter of Ro Scott, who was the deceased husband of the Mirror Lake attempted homicide, Janet Scott. In Spring of 2000, in a plea bargain for both perpetrators, they were both convicted and sentenced to 20 years in prison. They were both released in 2015 with time taken off their sentences for "good behavior". The actual victim, Janet Scott, appears on this show and shares her story of the harrowing night of crime that she survived.

September 22, 2011, Delta Township, Michigan: A well-liked couple, 62-year-old Michael "Mike" Greene and his wife, 46-year-old Terri Greene, are found dead in their home by Eugene and Ruby Post. Murders are rare in the tranquil region of Delta Township, MI, so when this friendly couple is senselessly gunned down in their own home, area residents are terrified. Law enforcement detectives are on the case and discover that the monster who committed the crimes had accidentally left a "trail of breadcrumbs" -- in the form of digital electronic evidence -- leading right to his door. Arrested and convicted in April 2013 of the two murders is career criminal Christopher Allen Perrien. He was sentenced to life in prison with no possibility of parole. Family members of Terri Greene, including her mother Ruby Post, appear on this show and share their grief and heartache over losing Terri.

When a 59-year old city official Gail Smith is gunned down in her home, shocked residents of Berryville, Virginia are left wondering who among them is a cold-blooded killer.

East Millinocket, Maine, is brought to its knees when its most popular teen turns up dead. For 38 long years, answers elude law enforcement officials. However, with the help of a dedicated mother and a helpful community that never forgets, the secret killer is finally exposed.

Historical Bucks County, Pennsylvania, is alarmed when several young men vanish one after the other within a week. With the support of residents, detectives unearth a ruthless murder spree in this seemingly picture-perfect farming community.