Robert Mueller at the US Department of Justice headquarters in Washington on May 29.

`Today I am speaking publicly because the investigation is complete. The Attorney General has made public most of the content of our report,` special prosecutor Robert Mueller said on May 29, marking

He announced the closure of the special prosecutor’s office and resigned from the US Department of Justice, emphasizing that the 448-page report published last month was clear and did not need further explanation.

Mueller said the US Department of Justice prohibits prosecuting a sitting president because it is an unconstitutional act.

However, Mueller said his report did not prove Trump’s innocence.

Mueller is the former director of the US Federal Bureau of Investigation (FBI) who was appointed as a special prosecutor in May 2017 to investigate suspicions of Russian interference in the US election and the relationship between Trump’s campaign team.

Contrary to Russia’s claims, Mueller asserted that Russian military intelligence officers `launched a coordinated attack on the American political system` in an effort to `interfere with the election and damage the

Minutes after Mueller finished speaking, Trump tweeted: `Nothing changes about Mueller’s report. There was not enough evidence and in our country that’s not guilty. Case closed! Thank you.`

The White House later issued a statement saying that `the report was clear, there was no collusion, there was no conspiracy` and that the Department of Justice `confirmed there was no obstruction of justice`.

`The special prosecutor confirmed what we knew all along: there was no collusion and there was no obstruction,` said Republican congressman Doug Collins.

Meanwhile, Democrats have a different view of Mueller’s statements.

`It is necessary to start the impeachment process, it is our constitutional duty,` said Democratic congressman Kamala Harris, a 2020 presidential candidate.

Democratic Congressman Jerry Nadler, chairman of the House Judiciary Committee, said that `the responsibility to respond to President Trump’s sins, lies and wrongdoing now lies in the hands of Congress.`

In fact, Trump’s impeachment is quite a distant future because that decision needs to be approved by 2/3 of the Senate – something that is unlikely when Republicans control the US Senate.