The statement of the Deputy public Prosecutor of the USA of the kind of Rosenstein on the appointment of müller, spectaculorum said: "Based on the unique circumstances, the interests of society require me to put the investigation under the supervision of a person who is independent of the traditional leadership (Ministry of justice). The special adviser is necessary in order that the Americans were sure of the result (of the investigation)".

Thus, Rosenstein emphasizes that this appointment does not mean that the crime was committed, and the Ministry of justice is confident the charges. This is done to ensure the objectivity of the investigation. Rosenstein also pointed out that Muller for this investigation resigns as head of his law firm to prevent conflicts of interest.

Mueller in a brief statement after his appointment, promised to fulfill obligations "to the best of their capabilities".

Previously, the investigation of the "RF interference" led the FBI, whose Director James Comey was dismissed by President Donald trump last week. The White house explained that the role of the Komi Republic in the investigation of the accusations against Hillary Clinton. However, the public, and primarily the Democrats, felt that the dismissal was connected with his attempts to intensify investigation in Russia.

The head of the house Committee on oversight and government reform Republican Jason Cheifetz called the appointment of Mueller to the post of special adviser to "good choice". "A flawless performance. Should be well accepted," the Congressman wrote in his microblog on Twitter.

US intelligence agencies believe that Russian hackers have carried out attacks on the servers of the national Committee of the Democratic party Hillary Clinton. After that, the correspondence of its supporters were published by WikiLeaks, publish about it for a long time occupied the airwaves and the front pages of national media. According to investigators, it helped Donald Trump to win the election.

The trump denies that it is any way influenced the choice of the Americans and also questioned the involvement of Russia, while urging to expedite the investigation.