Figure skater Maxim Naumov is reflecting on his parents' deaths one year after they were killed in the mid-air collision above the Potomac River. "It's hard to believe that it's already been one full year. The most difficult year of my entire life," Maxim, 24, wrote via Instagram alongside a photo of his mom, Evgenia Shishkova, and dad, Vadim Naumov, on Thursday, January 29.