Deeply mourning the passing of art detective Charley Hill whose passion was hunting down thieves. He... was always chasing his holy grail — the stolen 13 works from the Isabella Stewart Gardner museum. One day Charley the mystery will be solved. https://www.theguardian.com/tv-and-radio/2020/oct/19/the-billion-dollar-art-hunt-review-the-case-that-stumped-the-fbi