Maneuvering his way into being assigned the most infamous murder trial in Long Island's history, Assistant District Attorney Gerard Sullivan could not prepare himself for what was around the corner. In 1975, Ronald J DeFeo Jr. would stand trial for the murders of six of his family members in Amityville, New York. Sullivan, along with a host of Suffolk County's finest, painstakingly piece together this complicated case that captivated this sleepy hollow community.