She gestured to a simple, black-and-white sticker in sans-serif font that reads "I'D RATHER BE CRYING TO ENYA." Read more:Tell us: What's the best bumper sticker you've seen in L.A.?

In the past week, business owners have noticed black-and-white stickers with QR codes promoting “white lives matter” and “straight pride” were being placed in the Cherry Street alley ...