When he arrives at the Pearly Gates, God is there to receive him.

“Welcome. You are permitted to ask me one question, which I will answer truthfully.”

Without hesitating, the conspiracy theorist asks, “Who really shot Kennedy?”

God replies, “Lee Harvey Oswald shot him from sixth floor of the Texas School Book Depository.  There were no accomplices. He acted alone”

The conspiracy theorist pauses, thinks to himself, then says, “Shit! This goes higher up than I thought…”