Stephen Colbert on UFO Cover-Up: Unclear

The claim: Non-human intelligence has visited Earth and governments are hiding it.

2020-11-17: “OK, I’ll take that as a yes because if there were none then you would say there were none, right? You just played your hand.” source
2020-12-02: “Can i say that UFOs and Roswell used to be the biggest conspiracy and now that seems so tame. The idea that the government might have an alien spaceship. That’s nothing.” source
2023-02-14: “Well, let me be clear about this, ladies and gentlemen. I am not suggesting that. I am declaring that.” source
2023-03-03: “when people report seeing the Grays they report being abducted by extraterrestrial stuff why they're not wearing clothes why are they all naked” source
2023-03-03: “let's talk about UFOs for a minute what do you make of what's going on right now” source