LOS ANGELES—For crimes he called “vicious and frightening,” a judge on Friday gave a death sentence to a man prosecutors called “The Boy Next Door Killer” for the home-invasion murders of two women and the attempted murder of a third. Victims’ family members wept as Los Angeles Superior Court Judge Larry P. Fidler handed down the sentence to 45-year-old Michael Thomas Gargiulo. “Everywhere that Mr. Gargiulo went, death and destruction followed him,” Fidler said at the all-day hearing. Gargiulo’s case received added attention because one of his victims was about to go on a date with actor Ashton Kutcher, who testified at the trial. The sentencing, delayed by procedural issues and the pandemic, came nearly two years after a jury convicted Gargiulo and recommended his execution. Gargiulo was found guilty of the 2001 murder of Ashley Ellerin, a 22-year-old fashion design student, in her Hollywood home as she prepared to …