What began as a terrifying stalking case turned into a murder investigation that exposed a sinister psychological manipulation.

After acupuncturist Jon Tokuhara's mother found him lying on the floor of his office, shot dead, police want to know who the mysterious figure in the bucket hat is in the security video.

When 74-year-old Clifford Lambert goes missing in California, the case eventually reveals a sophisticated web of deception, forged documents, and greed-fueled betrayal—resulting in multiple convictions, one inmate’s death, and a decade-long legal saga that only recently concluded.

The quiet community of Chevy Chase, Maryland, is shaken when Leslie Preer is found murdered in her shower. Detectives find plausible suspects quickly, but without evidence the case goes cold until a surprising lead unmasks the killer two decades later.

The episode examines the decade-long investigation into the murder-for-hire of esteemed Florida State University law professor Daniel Markel. What began as a targeted assassination in a quiet Tallahassee neighborhood would eventually expose a web of lies, manipulation, and greed within a wealthy South Florida family.

Steven Schwartz, a prominent kidney specialist, was found brutally murdered on May 28, 2014, in his waterfront home in Tarpon Springs, Florida. At first glance, the scene looked like a botched burglary, but investigators would eventually uncover a decades-old secret that led to a violent killing.

The disappearance of Crystal Rogers, a mother of five, sends shockwaves through the picturesque town of Bardstown, Kentucky, which witnesses five murders in four years; frustrated with stalled progress, her family takes the investigation into their own hands.

Investigators discover a car engulfed in flames in a remote wooded area near the Blue Mountains; when first responders pull the body of a local mother from the wreckage, the question arises: was the crash an accident, or something far more sinister?

In rural Wisconsin, a couple is found stabbed to death at home. Thirty years later, the daughter of one of the original suspects comes forward, reigniting the case. Keith Morrison reports.

When a California father fails to return home after a quick trip to check his mail, his son calls police for help -- only to find himself the focus of their investigation until a stunning revelation upends the case.