This data was originally made public on February 14th, 2018 by NBC News in their article, Twitter deleted 200,000 Russian troll tweets. Read them here. From the article:
NBC News is publishing its database of more than 200,000 tweets that Twitter has tied to "malicious activity" from Russia-linked accounts during the 2016 U.S. presidential election.
This repository mirrors the data provided by NBC News. No additional ownership or copyright is asserted.