There is no direct proof, but criminals covering up their crimes is the default. So lack of evidence isn't proof of innocence. What we know for a fact is that cannibalism is something the elites love to joke about and mimic at their cannibal themed parties (look up spirit cooking). They are openly into the idea of cannibalism. A CNN host even ate some human brain on live tv. There are new mainstream media articles coming out all the time talking about it. E.g. Cannibalism: It's 'Perfectly Natural,' A New Scientific History. So any suspicions we have of them being cannibals is of their own making.