Guillaume Apollinaire returned one of the stolen statues to the French newspaper the "Paris-Journal". Apollinaire implicated his friend Picasso, who was also brought in for questioning in the theft of the "Mona Lisa", but he was also exonerated. The theft of the "Mona Lisa" was perpetrated by Vincenzo Peruggia, an Italian house painter who acted alone and was only caught two years later when he tried to sell the painting in Florence. Apollinaire wrote the preface for the first Cubist exposition outside of Paris; "VIII Salon des Indépendants", Brussels, 1911. In an open-handed preface to the catalogue of the Brussels Indépendants show,
Vincenzo Peruggia forger Yves Chaudron to make copies of the painting so he could sell them as the missing original. The copies would have gone up in value if the original were stolen. This theory is based entirely on a 1932 article by former Hearst journalist Karl Decker in "The Saturday Evening Post". Decker claimed to have known "Valfierno" and heard the story from him in 1913, promising not to print it until he learned of Valfierno's death. There is no external confirmation for this tale. Vincenzo Peruggia Vincenzo Peruggia (October 8, 1881 – October 8, 1925) was an Italian thief, most