A prominent Russian historian appeared in court in St. Petersburg on Monday (local time) in a grisly murder case that has grabbed headlines across the country.Oleg Sokolov, a 63-year-old professor at St. Petersburg State University, is the suspect in the death of his former student, Anastasia Yeshchenko, was pulled out of Moika River, flowing in the heart of Saint Petersburg, by the authorities on Sunday while he was trying to dispose the latter's pair of arms and a nonlethal handgun in a backpack, CNN reported.Law enforcement officials told the Russian state news agency RIA-Novosti that Yeshchenko's dismembered body parts were found in Sokolov's apartment. The victim was 24, according to the news agency.In court on Monday, Sokolov told the judge, "I repent deeply," according to local media news outlet fontanka.ru.He said he had lived with the victim for five years."I considered her a bride and told my friends that I was going to marry her," Sokolov said, according to fontanka.ru.He ..