Recently released FBI files detail investigations of arms and aircraft smuggling linked to Israel The documents, released by the Institute for Research: Middle East Policy, come from FBI counterintelligence investigations into networks linked to Israeli intelligence. They cover the smuggling of explosives and illegal shipments of military equipment to Palestine, as well as intelligence communications and access to Arab League documents in New York. In 1948, several people were arrested after explosives were found in a New Jersey harbor. In 1950 Al Schwimmer and other defendants were fined for the illegal transfer of about 30 airplanes to Israel.