 Prosecutors in Brooklyn federal court say there is a mountain of evidence against him such as 300 pounds of heroin shipped to New York in stuffed animals, strapped to couriers and sealed in steel machines used to wash bean sprouts.Drug trafficking throughout Chinatown has been greatly reduced due to the discovery of the tunnels.Machine Gun Johnny ("Onionhead") Eng is said to have come to the United States around the age of 13 from Asia (Hong Kong).