Editor’s note: As part of our 10th anniversary, Behind the Badge is sharing stories from our archives on Tuesdays and Fridays. This story is from June 29, 2022. Monday was Cinco de Mayo. When Santa Ana Police Department Homicide Detective Eddie Nunez’s eldest daughter, Olivia, told him she wanted to learn and play mariachi music, he did what most parents would and signed her up with a music school. However, Det. Nunez took it to a whole different level in 2015 when, in part to avoid a twice-weekly commute from his Inland Empire home, he created a nonprofit to start…