Joe Dziemianowicz

The search for a beloved missing 17-year-old California girl leads to a deadly conspiracy by a pair closest to her.

As police worked the triple homicide, they discovered a fourth victim had been killed the same way days earlier at another inn.

Serial snipers John Allen Muhammad, Lee Boyd Malvo randomly killed in broad daylight and terrorized the DC metro area.

The search for a missing grandmother, a former bondswoman, leads investigators to three more victimized elderly women. 

The fatal shooting of an "American hero" looked like "an open and shut case" until investigators dug deeper and found the real killers.

The brutal slaying of an immigrant family's son spreads terror through the tight-knit Orange County Vietnamese community.

Before killing Breezy Otteson, Jerrod Baum forced her to watch as he repeatedly stabbed her boyfriend Riley Powell.

The victim's boyfriend, the prime suspect in the case, committed suicide while he was under investigation. 

Investigators had their young eyewitness hypnotized to come up with clues in the mysterious case.

Robbin Brandley was found slain with “her eyes were wide open staring into the sky.” It took 32 years to convict her killer.