FBI and New York police intelligence agents arrested Andrew Heifler following an undercover operation that exposed his plan to firebomb a home in Brooklyn.The suspect was apprehended at his residence in Hoboken while assembling eight Molotov cocktails to be used against activist Nerdeen Kiswani.Authorities tracked Heifler for months through encrypted messages and surveillance before he could flee the USA as originally intended.Coordination with international partners also allowed law enforcement to intercept a related vehicle ramming plot scheduled for Europe.