Leon's photo is shown age-progressed to 2 years. He was last seen on October 24, 2018. Leon may be in the company of his mother, Olga Mishchenko. A felony warrant for Kidnapping was issued for Olga on November 9, 2018. They may travel to Russia. Leon is Biracial. He is White and Hispanic. Leon may go by the alias name Alexander Mishchenko. Olga may use the alias last name Castellanos.