Conversation so far:
Did Dana Rohrabacher have any positions on controversial topics?
In April 2014, Dana Rohrabacher tweeted that If majority of people legally residing in Alaska want to be part of Russia then its OK with me.“
Are there any other interesting aspects about the Dana Rohrabacher article besides his support of Alaska becoming part of Russia if there was a majority vote?
On June 15, 2016, Republican congressman Kevin McCarthy told a group of Republicans, There's two people I think Putin pays.
Who where the 2 people that Kevin McCarthy thought Vladimir Putin pays?
Dana Rohrabacher and Donald Trump
Did Dana Rohrabacher hold any other political positions besides his ties to Russia?
On November 21, 2017, The New York Times reported that Dana Rohrabacher had come under scrutiny from special counsel Robert Mueller and the Senate Intelligence Committee.

Question: What was the cause of this scrutiny?
Self-contained rewrite: What was the cause of Dana Rohrabacher's scrutiny from special counsel Robert Mueller and the Senate Intelligence Committee?