Parents of Arizona’s Matthew Christopher Flores Semyonov found buried in Litchfield Park backyard

An international manhunt is underway for 27-year-old Matthew Christopher Flores Semyonov, who is suspected of murdering his adoptive parents, Hector and Larissa Flores. Following an August 4, 2026 welfare check, police discovered their buried remains at their Litchfield Park, Arizona home. Authorities state that Semyonov has fled the United States.