In a Fox New interview with Maria Bartiromo, General Flynn explains that lawsuits are still being considered by the Supreme Court and there is much concrete proof of foreign interference in the election, so Trump’s best course of action would be to trigger his 2018 Executive Order and appoint a special council to deal with the situation. He says to visit a website DefendingTheRepublic.org which explains various court filings that are happening.
[Note Trump is bad for a lot of reasons, but it is still preferable that he wins anyway.]