In June 2020, as the country attempted to recover from deadly and destructive riots after the death of George Floyd, a man from Wisconsin hosted a national conference of self-styled “militia” members in a suburban Columbus, Ohio hotel. Stephen Robeson, founder of the Wisconsin chapter of the Three Percenters, an alleged militia group on the FBI’s naughty list, pestered his contacts across the country to participate in the gathering.

People who attended the conference, including two men later charged with federal crimes related to a plot to abduct Michigan Governor Gretchen Whitmer from her vacation cottage in 2020, observed that the hotel was crawling with federal agents.

One of the feds at the conference was none other than Stephen Robeson himself.

Without Robeson’s deep involvement as an FBI informant, the Whitmer kidnapping caper never would have made national headlines a few weeks before Election Day; in fact, the whole pre-election drama wouldn’t have materialized at all. A longtime FBI asset, Robeson was one of at least 12 confidential human sources embedded in the failed plot, which concluded when several men were arrested attempting to buy explosives from an undercover FBI agent in October 2020.

Defense attorneys are building a convincing case that the FBI ......