It may take a while as they have quite a bit to look into.
There's the Manafort thing
and the Flynn thing
and the Tillerson thing
and the Sessions thing
and the Kushner thing
and the Wray thing
and the Morgan, Lewis, & Bockius “Russian Law Firm of the Year” thing
and the Carter Page thing
and the Roger Stone thing
and the Stein thing
and the Felix Sater thing
and the Boris Ephsteyn thing
and the Rosneft thing
and the Gazprom thing
and the Sergey Gorkov banker thing
and the Azerbajain thing
and the “I love Putin” thing
and the Trump, Jr. thing
and the Lavrov thing
and the Kislyak thing
and the Oval Office I can declassify intelligence and pass it to Russian spies thing
and the Gingrich/Kislyak phone calls thing
and the Russian Affiliated Interests thing
and the Russian Business Interests thing
and the Emoluments Clause thing
and the Alex Schnaider thing
and the hack of the DNC thing
and the Guccifer 2.0 thing
and the Aaron Nevins thing
and the Mike Pence “I don’t know anything” thing
and the Russians mysteriously dying thing
and Trump’s public request to Russia to hack Hillary’s email thing
and the Trump house sale for $100 million at the bottom of the housing bust to the Russian fertilizer king thing
and the Russian fertilizer king’s plane showing up in Concord, NC during Trump rally campaign thing
and the Nunes sudden flight to the White House in the night thing
and the Nunes personal investments in the Russian winery thing
and the Cyprus bank thing
and Trump not releasing his tax returns thing
and the Republican Party’s rejection of an amendment to require Trump to show his taxes thing
and the election hacking thing
and the GOP platform change to the Ukraine thing
and the Steele Dossier thing
and the Sally Yates can’t testify thing
and the intelligence community’s investigative reports thing
and the Chaffetz not willing to start an investigation thing
and the Chaffetz suddenly deciding to go back to private life in the middle of an investigation thing
and the The Lead DOJ Investigator Mary McCord SUDDENLY in the middle of the investigation decides to resign thing
and the The White House going into full-on cover-up mode, refusing to turn over the documents related to the hiring and subsequent firing of Flynn thing
and the Poland and British intelligence gave information regarding the hacking back in 2015 to Paul Ryan and he didn't do anything thing
and the Agent M16 following the money thing
and the RNC hiring the Hamilton Trading Group thing
and the let’s fire Comey thing
and the Mueller let’s fire him too thing
and the Election night Russian trademark gifts thing
and the Russian diplomatic compound electronic equipment destruction thing
and the let’s give back the diplomatic compounds back to the Russians thing
and the Fusion GPS Russian lobbying thing
and the Rob Goldstone thing
and the Donald Trump Jr./Natalia Veselnitskaya email thing
and the 2013 Miss Universe pageant in Moscow thing
and the Emin Agalarov thing
and the Michael Cohen thing
and the Anthony Scaramucci Russian Direct Investment Fund thing
and the dictating of D.T. Jr’s response by Trump himself thing
and the Rinat Akhmetshin Trump Tower thing
and the ...
Probably nothing there, but doesn't hurt to put the rumors to rest.
Full disclosure. Most of this list above is from a Donald Keller list.