While many details of Robert Mueller’s investigation remain in the shadows, it is highly likely that he’s sitting on rather damning evidence, believes Brian Beutler of Crooked. Recently it was revealed that Paul Manafort had been misleading him after having agreed to be a witness in the case. However, Mueller indicated that he may have known this already. Donald Trump angrily lashing out at him on Twitter suggests that he may be worried. While the special counsel won’t reveal what he knows until the very end, the fact that Trump and Manafort are trying to thwart his investigation shows they are afraid of what might end up being revealed.