A big lie (German: große Lüge) is a propaganda technique. The expression was coined by Adolf Hitler, when he dictated his 1925 book Mein Kampf, about the use of a lie so “colossal” that no one would believe that someone “could have the impudence to distort the truth so infamously.”
To what end inn this case?
How does faking serious illness just before the election help her?
... though the Antichrist dying and returning comes to mind...