According to a report in the New York Times, Durham has turned his attention to the December 29th, 2016, Joint Analysis Report (JAR) on Russia Cyber Activity and the January 7th, 2017, Intelligence Community Assessment (ICA) that was derived from the JAR:

(New York Times) […] Mr. Barr wants to know more about the C.I.A. sources who helped inform its understanding of the details of the Russian interference campaign, an official has said. He also wants to better understand the intelligence that flowed from the C.I.A. to the F.B.I. in the summer of 2016.

During the final weeks of the Obama administration, the intelligence community released a declassified assessment that concluded that Mr. Putin ordered an influence campaign that “aspired to help” Mr. Trump’s electoral chances by damaging Mrs. Clinton’s. The C.I.A. and the F.B.I. reported they had high confidence in the conclusion. The National Security Agency, which conducts electronic surveillance, had a moderate degree of confidence. (more)

It was all based on the false premise that Russia hacked the DNC server. Without that foundational piece, the entire collusion narrative collapses. Follow the bouncing ball:

Very early on, the DOJ admitted that the FBI never conducted a forensic analysis of the hacked DNC server. It was always hard to fathom why unless it was because they didn’t want the answer.

Moar:

http://thebeltwayreport.com/2019/06/time-to-panic-special-prosecutor-john-durham-is-now-circling-the-target-ex-cia-chief-john-brennan/