Netflix has released a very interesting trailer for its new crime docuseries Fear City: New York vs. the Mafia, which hails from award-winning documentarian Sam Hobkinson. The three-part series details the incredible story of the history-making organized crime investigation and prosecution case brought against the heads of the "Five Families" of the New York mafia -- Bonanno, Colombo, Gambino, Genovese and Luccese -- who held a powerful and seemingly insurmountable grip on the city. Through interviews with dozens of law enforcement officials, ex-mafia associates and others, Fear City: New York vs. the Mafia sheds light on how the …