 that Trump staged the shooting for a photo op, that the wound on his ear was caused by something other than an assassin's bullet, and that he was never in mortal danger. It's a baseless conspiracy theory disproven by reams of documentary evidence and eyewitness accounts, and it's a belief held by one-third of the Democratic electorate. One in three registered voters believe it is credible that the shooting Saturday in Butler, Pennsylvania, was staged and not intended to kill Trump.