May 14 (UPI) -- The state of Oklahoma on Thursday carried out the death sentence of a 52-year-old Tulsa man for the 2007 murder of his ex-girlfriend and their infant daughter, the Sooner State's second execution of the year and the nation's 11th. Raymond E. Johnson was administered the three-drug cocktail at the Oklahoma State Penitentiary and was declared dead at 10:12 a.m. CDT, Oklahoma Department of Corrections Director Justin Farris said to reporters at a press conference . Johnson was