Mona Lisa Béroud checked back with the Section Chief of the Louvre who confirmed that the "Mona Lisa" was not with the photographers. The Louvre was closed for an entire week during the investigation. French poet Guillaume Apollinaire came under suspicion and was arrested and imprisoned. Apollinaire implicated his friend Pablo Picasso, who was brought in for questioning. Both were later exonerated. Two years later the thief revealed himself. Louvre employee Vincenzo Peruggia had stolen the "Mona Lisa" by entering the building during regular hours, hiding in a broom closet, and walking out with it hidden under his coat after the museum
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