Marilyn Monroe's Forged Letters

The revelation that hand-typed letters to the Kennedys from the late Hollywood legend –famously published in Vanity Fair – were fabricated was a big blow to the well-respected publication. As some suggested, the culprits may have gotten their inspiration from the then recent Richard Gere film Hoax, a mostly true account of one writer's daring attempt to forge the autobiography of the reclusive Howard Hughes (while he was still alive no less) - a mostly excellent film which would have made it onto this list if it were a hoax of a movie instead of a movie of a hoax.