A New York man is facing 25 years to life in prison after a jury found him guilty of killing his girlfriend's 3-year-old son, Us Weekly has learned. Gionni Sellers, 26, of Middletown, was convicted on Friday, January 16, of second-degree murder and first-degree manslaughter in connection with the boy's death in June 2022, according to a news release shared that day by the Orange County District Attorney's Office.