The biggest indicator was Biden losing 18 of 19 Bellwether counties, and losing the battleground states, yet somehow still getting more votes than the incumbent, who himself got an additional 15% more votes than in 2016. That's a mathematical impossibility.
https://www.thegatewaypundit.com/2022/02/list-10-ways-2020-presidential-election-stolen/
Smoking gun email shows 51 former intelligence officials deliberately misled the American people to help the Biden campaign. They used their security clearances to commit fraud on the public!
The Untold Story of Phyllis J. Hall: The Nurse Who Witnessed JFK's Fatal Night
https://csevaluation.substack.com/p/the-untold-story-of-phyllis-j-hall