https://grimchronicle.com/tags/unsolved-cases/ Recent content in Unsolved Cases on Grim Chronicle Hugo en-us Sun, 31 May 2026 00:00:00 +0000 https://grimchronicle.com/posts/zodiac-killer/ Sun, 31 May 2026 00:00:00 +0000 https://grimchronicle.com/posts/zodiac-killer/ The Zodiac Killer terrorized California in the late 1960s, sending taunting letters to police and the press. Decades later, the case remains officially unsolved. Here is everything we know. https://grimchronicle.com/posts/db-cooper/ Fri, 29 May 2026 00:00:00 +0000 https://grimchronicle.com/posts/db-cooper/ On November 24, 1971, a man calling himself Dan Cooper hijacked a Northwest Orient flight, collected $200,000 in ransom, and parachuted into the night sky over the Pacific Northwest. He was never found. This is the full story.