Crashed crafts, non-human biologics, and the Pentagon in possession of UFOs. Last week, former military and intelligence figures appeared as whistleblowers at a U.S. congressional hearing, testifying about the government’s apparent secrecy around UAPs: unidentified anomalous phenomena. But one former air force intelligence official, David Grusch, claimed the Pentagon collected non-human organic material and that he knew where it was keeping UFOs. Researchers searching the universe for alien life say this is far from proof they’re among us. Today, Seth Shostak explains. He’s the senior astronomer for the SETI Institute – the Search for Extraterrestrial Intelligence – and the host of its radio show and podcast, Big Picture Science. For transcripts of this series, please visit: https://www.cbc.ca/radio/frontburner/transcripts