The FBI is zeroing in on militia groups particularly Oath Keepers and Three Percenters who were involved in the terrorist attack. Here is a great article on how Russia has been targeting them for years in order to weaken and divide our military http://euromaidanpress.com/2019/11/12/putins-trojan-horse-the-us-militarys-problem-with-far-right-patriot-groups/

Unfortunately Russia's attack by many was noticed during 2016 but they have been operating here for these particular operations since at least 2009 after Obama came into power. Their main focus was the Republican party, white supremacist groups and religious figures/institutions

Russia saw the strong reaction of Obama by the far right and immediately took advantage. Russian kgb academic Igor Panarin began predicting that the US will collapse in 2008 and even came to the states to connect with conservatives. Dugin also started paying close attention