For decades, the 1990 theft of 13 artworks from the Isabella Stewart Gardner Museum — now valued at more than $500 million — has remained unsolved. It remains the largest art theft in history — far surpassing more recent museum …


For decades, the 1990 theft of 13 artworks from the Isabella Stewart Gardner Museum — now valued at more than $500 million — has remained unsolved. It remains the largest art theft in history — far surpassing more recent museum …