A documentary featuring Steven Greer, apostle of the alien-visitation disclosure movement, has tantalizing "sightings," but reveals that ET obsession is now the mother ship of conspiracy theory.

Dr Steven Greer ... to the number one digital documentary slot worldwide. It is directed by Michael Mazzola and narrated by Breaking Bad’s Giancarlo Esposito. Dr Greer got $700,000 (£543,000 ...