There has never been a more important political investigation than Robert S. Mueller III's into President Donald Trump's possible collusion with Russia. His findings are elaborated in this report issued by the Department of Justice.

Volume I describes the factual results of the Special Counsel's investigation of Russia's interference in the 2016 presidential election and its interactions with the Trump Campaign. Section I describes the scope of the investigation. Sections II and III describe the principal ways Russia interfered in the 2016 presidential election. Section IV describes links between the Russian government and individuals associated with the Trump Campaign. Section V sets forth the Special Counsel's charging decisions.

Volume II addresses the President's actions towards the FBI's investigation into Russia's interference in the 2016 presidential election and related matters, and his actions towards the Special Counsel's investigation. Volume II separately states its framework and the considerations that guided that investigation.