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
Louvre two days of packing, truck convoys began to leave Paris. By 28 December, the museum was cleared of most works, except those that were too heavy and "unimportant paintings [that] were left in the basement". In early 1945, after the liberation of France, art began returning to the Louvre. By 1874, the Louvre Palace had achieved its present form of an almost rectangular structure with the Sully Wing to the east containing the Cour Carrée (Square Court) and the oldest parts of the Louvre; and two wings which wrap the Cour Napoléon, the Richelieu Wing to the north and the