When an infant's body washes up on the shores of Deer Island, Massachusetts, residents rally to find out who she is, and what happened to her.

People in Hope Mills, North Carolina are on edge when a high school freshman vanishes. When she turns up dead three weeks later, the community rallies to flush out the killer.

A brutal double murder shocks Northern California's peace-loving and laid back Marin County. With residents reeling, police chase an elusive killer through three counties.

An historic Texan town is stunned when a popular caretaker is found dead and a beloved, wealthy resident goes missing.

When a young woman's body is pulled from the ocean off the Big Island, Hawaii, accusations threaten to destroy the local community.

Murders are rare in tranquil Delta Township, Michigan. So when a well-liked couple is gunned down in their home, residents are terrified.

The quiet Sarasota neighborhood of Mirror Lake wakes up to a nightmare when a neighbor is found strangled to death. Detectives believe it's the result of a long-held grudge.

When a city official is gunned down in Berryville, Virginia, shocked residents 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 years, answers elude police.

Historical Bucks County, Pennsylvania, is alarmed when several young men vanish one after the other within a week.