NEW You can now listen to Fox News articles! The filmmaker behind the latest investigation into Bob Lazar’s Area 51 claims says he does not expect, or even want, the U.S. government to disclose all details. Appearing on the "Hang Out with Sean Hannity" podcast, executive producer Luigi Vendittelli argued that while the public wants the truth about UFOs, there may be national security concerns preventing President Donald Trump from releasing the full files. "Maybe that’s why Trump closes up when you ask him," Vendittelli told Hannity. "Maybe he knows something that could potentially make that an open door to adversarial countries to come in." Vendittelli is an executive producer of the documentary "S4: The Bob Lazar Story," which revisits the claims of the famed Area 51 whistleblower. In 1989, Lazar alleged the government was reverse-engineering nine extraterrestrial craft at a secret facility. The government has long denied employing Lazar.…