(FILES) In this file photo taken on June 23, 2012 Paris Sorbonne University's professor Oleg Sokolov rides his horse on the banks of the river Neman in Kaunas, central Lithuania, during a reenactment of Bonaparte's June 24, 1812 assault on Tsarist Russia. - A prominent Saint Petersburg-based Napoleon expert has confessed to murdering his young lover and former student and dismembering her body in a grisly crime that sent shock waves across Russia. Oleg Sokolov, a 63-year-old history lecturer who received France's Legion d'Honneur from Jacques Chirac in 2003, was arrested on November 9, 2019 on suspicion of murder after he was hauled out of the icy Moika River with a backpack containing a woman's arms. (Photo by PETRAS MALUKAS / AFP)