HOUSTON (KTRK) -- Some disturbing graffiti is popping up around town, emojis showing a police officer and a gun.We've seen them in at least four spots in the Washington Avenue area, and we've gotten reports of more than that.As you might imagine, those in uniform say it's incredibly disturbing to see this just days after a deputy was killed while pumping gas.HPD Union President Ray Hunt said, "I can't believe that there are people out there so heartless and so ruthless to put something on there before this deputy is even buried. It does nothing to help to help morale in the police department and does nothing to help the Goforth family."The police union has ordered 10,000 bracelets printed with the words 'Pray for police.' Officials are hoping to distribute the bracelets to the community next week.