Season 1

A woman is found dead in an elevator, but her murder is just the beginning. Barbara Butcher retraces the chain of evidence, uncovering a domino effect of violence that leaves a trail of bodies across the Bronx.

When an unknown body surfaces in the icy East River, Barbara Butcher joins detectives in a race to reconstruct the victim's identity using the few fragile clues left behind; pressure mounts when a report comes in that there may be more victims.

In 2012, a tight-knit Las Vegas neighborhood is shattered by the murder of a mother and daughter in their home. Investigators must analyze a crime scene soaked in rage to help stop a killer before they strike again.

When a garbage bag containing a young woman's body is dumped in a NYC tunnel, Barbara Butcher and a rookie homicide detective unravel how a seemingly straightforward crime conceals a chain of forensic contradictions - and a killer no one saw coming.