Americans are more familiar with the strategy of Trump lies.
First he makes the the accusation, then refers to the fact that an accusation exists. After that the transition of the accusation being a proven fact grows everyday until the whole lie becomes absolutely true with repetition.
Maybe there is an investigation but no matter what the finding, half will believe the accusation was proved, although it is always been a lie.
Its a bit like crude hypnosis with a couple conspiracy theory variations.