In April 1997, a frantic 911 call leads police to a brutal massacre in Miramar, Florida. Two young sisters, their mother, and grandmother are found murdered in their home, with a cryptic message about drug money scrawled nearby. Initially seen as a violent home invasion, the case takes a darker turn as investigators uncover a personal motive and a prime suspect.

Felonious Florida, Season 5: The Altidor Massacre, investigates the Altidor Massacre to find out how a brutal killer has evaded justice for nearly three decades.