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A notorious Russian internet “troll factory” spent about $2.3 million during the 2016 election cycle to meddle in US politics, paying the salaries of 90 “US desk” employees who helped wage disinformation campaigns via social media that reached millions of Americans. The operation also contacted US activists directly and offered them thousands of dollars to organize protests on divisive issues, including race relations.

These revelations and many more came out in an investigation published on Tuesday by the Russian newspaper RBC about the Internet Research Agency (IRA), a tech firm based in St. Petersburg, Russia, that has developed a specialty in spreading pro-Kremlin messages in the West.

The IRA has been written about before by a number of news outlets, and by RBC itself. But this latest piece from RBC—a respected business newspaper in Russia known for angering the Kremlin with its reporting on Putin’s associates—is the first to home in on the IRA’s operations during the 2016 US election.

RBC’s investigation reveals an unprecedented level of detail about the money and staffing that went into IRA’s US-influence operation. Here are some of the key data points: