When 20-year-old Thomas Matthew Crooks shot at former-President Donald Trump on July 13, the American public was ready with conspiracy theories explaining how and why he did it. And that shouldn’t come as a shock. Most Americans think President John F Kennedy was assassinated as part of a conspiracy, either by the US Government, Cubans, or the Mafia. They’re primed to believe their government is keeping secrets from them—because it is.