As complaints about elections, many of them unfounded, pile up around the country, investigators tasked with dealing with them find themselves on the front line of defending the integrity of elections.

Local election officials preparing for the rapidly approaching midterm elections have one more headache: trying to combat misinformation that can confuse, anger and disenfranchise voters.

Ballots with blurry barcodes that can't be read by vote-counting machines will delay election results by weeks in a key U.S. House race in Oregon's primary.