Mona Lisa two years, Peruggia grew impatient and was caught when he attempted to sell it to directors of the Uffizi Gallery in Florence. It was exhibited in the Uffizi Gallery for over two weeks and returned to the Louvre on 4 January 1914. Peruggia served six months in prison for the crime and was hailed for his patriotism in Italy. Before its theft, the "Mona Lisa" was not widely known outside the art world. It was not until the 1860s that some critics, a thin slice of the French intelligentsia, began to hail it as a masterwork of Renaissance painting. In
Louis Lépine Pablo Picasso, who was also brought in for questioning, but both were later exonerated. The real thief was Louvre employee Vincenzo Peruggia an Italian wishing to return it to Italy. He was caught with the painting two years later when he attempted to sell it to the directors of the Uffizi Gallery in Florence. One of Lépine's last successes was the capture and destruction of the notorious Bonnot Gang (La Bande à Bonnot), an anarchist criminal group that operated in France and Belgium during the Belle Époque, from 1911 to 1912.In 1910 Lépine had instigated La Brigade Criminelle a dedicated