Why Did Candidate Trump Say Election Rigged Except the Evidence at WikiLeaks That DNC Cheated in Primaries?

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The emails provided to WikiLeaks in the summer of 2016 proved that the DNC was cheating for Hillary during the primaries against Bernie, so why shouldn’t have presidential candidate Trump suspected the same for the general election prompting him to say the election was being rigged? If Trump had been conspiring with the Russians to influence the election to his favor, then why would he have announced to the world that he was rigging the election?