He’s only 13 years old and already a hero. Sworn in as a sheriff’s deputy for the day, Julian Cardenas has a lot more to tackle than just law enforcement because he’s battling leukemia. To help ease the pain, the Los Angeles Sheriff’s Office surprised him with a day full of fun. Julian rode in a special police cruiser, and flew above the city in a helicopter. From above he had a blast seeing his house, school and even Hollywood.