>> right. there is also a possibility that this is some sort of visual artifact that, both, humans and cameras could see. there's some scientists, who push that theory. although, the -- the pilots are very certain they -- they saw something. and there were repeated incidents. so, it's a frustrating -- like so many of these intelligence issues, it's pretty frustrating. we -- there's more unknowns, than knowns. >> so, even though the -- the government says there's no evidence this is alien spacecraft. i mean, what happens now? going to stop people believing something is out there. you know, there are also all these stories about, maybe, they had material or recovered material. does this report address any of that? >> well, we don't know. but we don't know, for certain. but there's nothing, in this report, i'm told, my colleague is told, that presents evidence