The arrest of four alleged terrorism plotters in the Riverdale section of New York City was the culmination of a painstaking 10-month FBI investigation. Each of the four men is charged with one count of conspiracy to use weapons of mass destruction within the U.S., which carries a maximum penalty of life in prison, and one count of conspiracy to acquire and use anti-aircraft missiles, which carries a maximum penalty of life in prison and a mandatory minimum of 25 years in prison
