{"id":"3f23f291-18af-4106-a576-c2b303e5ec86","url":"https://apnews.com/article/fbi-postal-service-letters-suspicious-substances-investigation-c90253b9873a27471e63c6f1dcf979e9","domain":"apnews.com","outlet":{"name":"AP News","country":"US","cred":5,"lean":0,"curated":true},"title":"Authorities investigate letters with 'suspicious substances' sent to congressional, election offices","plainHeadline":"Authorities investigate letters with suspicious substances sent to congressional and election offices.","rewrite":{"model":null,"at":null},"summary":[],"topics":["Politics","Cybersecurity","Health"],"lang":"eng","publishedAt":"2026-10-15T15:35:00.000Z","ingestedAt":"2026-10-15T16:30:34.244Z","story":"https://brief.concise.news/story/d7022095-fb54-4486-a1ca-103633e81cf1","storyId":"d7022095-fb54-4486-a1ca-103633e81cf1","image":null,"author":null,"dek":null}