{"id":"e1233dd9-c0ab-44e1-821d-6b57a2db44b9","url":"https://nypost.com/2026/10/15/us-news/capitol-police-probing-suspicious-letters-mailed-with-dsa-linked-return-address/","domain":"nypost.com","outlet":{"name":"New York Post","country":"US","cred":2,"lean":1,"curated":true},"title":"FBI, Capitol Police probing letters ‘containing suspicious substances’ mailed with DSA-linked return address","plainHeadline":"FBI, Capitol Police probing letters containing suspicious substances tied to DSA address","rewrite":{"model":null,"at":null},"summary":["FBI, Postal Inspection Service, and Capitol Police are investigating letters containing suspicious substances.","The letters were mailed to congressional offices and some were intercepted.","A photo shows a suspicious envelope postmarked 'DSA' with a DSA-listed return address.","The return address is tied to the Democratic Socialists of America’s listed membership address.","Law enforcement aims to intercept further letters, though some may still reach destinations."],"topics":["Politics","Cybersecurity"],"lang":"eng","publishedAt":"2026-10-15T14:32:46.000Z","ingestedAt":"2026-10-15T15:11:40.491Z","story":"https://brief.concise.news/story/d7022095-fb54-4486-a1ca-103633e81cf1","storyId":"d7022095-fb54-4486-a1ca-103633e81cf1","image":"https://nypost.com/wp-content%2Fuploads%2Fsites%2F2%2F2026%2F10%2FDSA-LETTER.jpg?quality%3D90%26strip%3Dall","author":"Josh Christenson","dek":"The FBI, US Postal Inspection Service and Capitol Police are investigating letters \"containing suspicious substances\" that were mailed to congressional offices, according to emails sent to Hill staff Thursday."}