CrowdStrike only provided DNC with 'Draft' report of hacking.
DOJ never received an actual report.
https://www.scribd.com/document/413428947/Stone-De-123-DOJ-Response-to-MTC-Crowdstrike-Reports
Courts don't like it, and typically require that the gov't agency verified the data…
Which the FBI didn't, and the DOJ never saw the report.
https://www.pbwt.com/content/uploads/2015/07/Admission-of-Government-Agency-Reports.pdf