A shooting that left three dead and two injured in an apartment above the iconic Carnegie Deli sends detectives on a relentless hunt for the killers.

An office building in the Financial District becomes a 26-floor crime scene when a beloved mother and janitor mysteriously vanishes without a trace.

The stabbing death of a successful entrepreneur remains unsolved for decades until a tenacious assistant DA and a driven detective reexamine the case.

A serial killer targeting young victims in East Harlem evades police until details connected to crimes from years earlier emerge.