Watch Fear City: New York vs the Mafia

In order to prove a conspiracy among the mafia bosses, the FBI tries to tie "The Commission" to a high-profile gangland murder.

As the FBI takes daring steps to wiretap the heads of the five families, the new U.S. Attorney for the Southern District of New York joins the fight.

As New York runs amok, the mob operates with impunity -- until a little-known law and some innovative surveillance tactics give federal agents a leg up.