9/11 cover up?
The difference between someone with a healthy dose of skepticism and a conspiracy theorist is this: the former looks at the official version of events and when it doesn't add up, she says: "Hey, that doesn't add up." The latter looks at those same events and says: "Hey, that doesn't add up, but I'll tell you what really happened.
Count me a skeptic because, as far as I understand, some of those 19 hijackers are still alive -- a point all but buried in our media but reported by credible news organizations abroad.
Three days after the attack, the FBI released the names of those infamous 19 hijackers (photos here).