ORLANDO, Fla.—A judge on Thursday sentenced a Florida man to death for fatally shooting an Orlando police officer while he was on the run for killing his pregnant ex-girlfriend. Jurors in November found Markeith Loyd, 46, guilty in the January 2017 death of Lt. Debra Clayton, and unanimously recommended a death sentence during a hearing in December. Circuit Judge Leticia Marques announced her decision during a brief hearing Thursday morning. Loyd is already serving a life sentence for killing Sade Dixon, his former girlfriend, a month before Clayton was killed. Loyd was on the run for killing Dixon when a shopper at a Walmart spotted him Jan. 9, 2017. Prosecutors said the shopper notified Clayton, who was also at the store, and she attempted to stop him. Clayton, 42, was killed during a shootout with Loyd outside the store. “Although nothing can undo the heartache created by the defendant’s heinous …