"It's right in front of our faces. I'm telling you, it's right in front of our faces. They lie to us."
The three were discussing conspiracy theories -- on an airplane -- when Irving brought up the subject to Jefferson and Frye.
Irving told ESPN's Arash Markazi on Friday that he holds true to his belief.
"I think people should do their own research, man," Irving told ESPN. "Hopefully they'll either back my belief or they'll throw it in the water. But I think it's interesting for people to find out on their own.