Christina A. Cassidy

With less than two weeks before Election Day, a resurgence in conspiracy theories and misinformation about voting is forcing state and local election officials to spend their time debunking rumors and explaining how elections are run at the same time they're overseeing early voting and preparing for Nov. 5.

Election security experts and computer scientists say an effort to access voting system software in several states and provide it to allies of Donald Trump as they sought to overturn the results of the 2020 election poses “serious threats” ahead of next year’s presidential contest.

Authorities on Thursday were trying to determine who sent letters filled with fentanyl or other substances to local election offices.