Ryan is a former general counsel for the Senate's committee on governmental affairs. Mueller is investigating Russian interference in U.S. elections and possible Russian ties to the Trump campaign. Trump may be referring to Deputy Attorney General Rod Rosenstein, who in a memo to Trump raised concerns over Comey's performance. His comments follow revelations that special counsel Robert Mueller is examining whether Trump obstructed justice by firing FBI Director James Comey. He has questioned why investigators don't dig into the links between the Democrats and the Russian government, including his general election opponent, Hillary Clinton.

Source: Economic Times June 16, 2017 18:22 UTC