Tim Walz, who got the information from the FBI, as reported on many news sources.
Republican Congressman claims Trump shooter Thomas Crooks had three encrypted accounts overseas and hints at 'Iranian plot' as FBI continues to investigate
US intel previously suggested Iran wanted revenge for 2020 assassination
https://www.dailymail.co.uk/news/article-13650741/republican-waltz-iranian-plot-thomas-crooks-trump-accounts.html