The Mesa police department is investigating after a video was posted online showing a man spraying open foods with bug spray at a Walmart store. ABC15 was made aware of the social media video Friday morning. It shows a man holding a can of Hot Shot bug spray that he appears to spray on a variety of foods at a grocery store, including fresh produce and prepared chicken. The video appears to have since been deleted but is making rounds on other websites. Tempe police officials initially said they were "very much aware of this individual" and that the incident...