All eyes are on Robert S. Mueller III as he begins his role as special counsel, leading the Justice Departmentâ€™s probe into the Trump campaignâ€™s possible ties to Russia. But thatâ€™s far from the only investigation into Russian meddling in the 2016 election.

The criminal investigation led by the special counsel is charged with determining if anything illegal occurred. Meanwhile, each of the four major congressional fact-finding investigations is working to expose transgressions it finds unethical.

Despite their differing goals, all the investigations are moving simultaneously and using much of the same information.