The Justice Department's release of millions of documents related to convicted sex offender Jeffrey Epstein shows how he worked to cultivate a vast web of influence among the global elite before and well after his 2008 conviction. Why it matters: Epstein's network of connections was "extraordinary," Sarah Krissoff, a former U.S. attorney in the Southern District of New York, tells Axios. "Power is one of those things that keeps expanding. He traveled in ultra-rich circles, and, from what I have seen, worked hard to cultivate relationships." - While being named in the Epstein files does not indicate wrongdoing, the fallout from the documents' release has triggered a wave of firings and resignations, and has prompted several countries to…