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 making a vow for you to live long and enjoy the prize that your son is about to realize for you and for all our family." Put on trial, the court agreed, to some extent, that Peruggia committed his crime for patriotic reasons and gave him a lenient sentence. He was sent to jail for one year and 15 days, but was hailed as a great patriot in Italy and served only seven months in jail. Another theory emerged later. The theft may have been encouraged or masterminded by Eduardo de Valfierno, a con-man who had commissioned the French art