Wearing reindeer antler headbands and Santa hats, a group of young Santa Ana residents roamed the aisles of Macy’s, eager to find the perfect purchase just in time for Christmas. As they sifted through toys and clothes, Santa Ana Police Department officers and personnel trailed behind their shopping buddies, carrying the Macy’s bags quickly piling up with gifts. “I got so many things!” one youngster cheered, hugging her new bubblegum pink purse to her chest. “This is the best day ever!” shouted another, peeking at the Hot Wheels racetrack in his bag. Leaving with bright smiles and their arms full…