A US Postal Service whistleblower has warned that a rushed new system for screening mail ballots is so poorly tested that it risks blocking millions of Americans from receiving their ballots this November.
The whistleblower's account, detailed in a 20-page complaint released by Senator Richard Blumenthal's office on Tuesday, 1 September 2026, describes the Postal Service's development process as 'secretive, rushed, chaotic, and fundamentally flawed.'