Yeah, there certainly can’t be any, right? The circumstantial evidence so far is completely unconvincing? There are bloody fingerprints matching the Bidens all over the room but some will not believe it unless they find the matching gun coupled with a 4k video. Luckily, our court system convicts criminals everyday without such a burden of proof. Circumstantial evidence is very much admissible and can be used to convict, particularly in the absence of a reasonable counter argument, to which, there really is none in this case.