TERRE HAUTE, Indiana—The Trump administration early Saturday carried out its 13th federal execution since July, an unprecedented run that concluded just five days before the inauguration of President-elect Joe Biden—an opponent of the federal death penalty. Dustin Higgs, convicted of ordering the killings of three women in a Maryland wildlife refuge in 1996, was the third to receive a lethal injection this week at the federal prison in Terre Haute, Indiana. President Donald Trump’s Justice Department resumed federal executions last year following a 17-year hiatus. No president in more than 120 years had overseen as many federal executions. Higgs, 48, was pronounced dead at 1:23 a.m. Asked if he had any last words, Higgs was calm but defiant, naming each of the women prosecutors said he ordered killed. “I’d like to say I am an innocent man. … I am not responsible for the deaths,” he said softly. “I did …