Authorities are trying to determine who sent suspicious letters, including some containing fentanyl or other substances, to local election offices in at least five states. It's the latest instance of threats faced by election workers around the country. Elections offices in California, Georgia, Nevada, Oregon and Washington appeared to have been targeted. The Pierce County auditor’s office in Tacoma, Washington, released images of the letter it received, showing the letter was postmarked in Portland, Oregon, and read in part: “End elections now." Authorities are also trying to intercept a letter headed to an elections office in Fulton County, Georgia, the largest voting jurisdiction in one of the nation’s most important presidential swing states.