thate chief created position after the school shooting in parkland, florida earlierar this coming up tomorrow night on news4, 5 and 6, we'll hear more from that one onon including how social media is changinghe role o police officers and preventing crimes. >>> we have a health warning tonight from the u.s. government about what your dog may be ting. the fda is looking at possible links between grain- foods and the deadly form of heart disease. it's important to note no recall and no brands have been named yet, but officials say pet owners should watch out r foods where potatoes, peas, lentils and other legumes are the mn ingredients. instead, vet say, you should switch to a common, well-established protein source. >>> amazon may be whittling down the finalists for its new headquarters. the tech giant is considering 20 finalist locations, including montgomery county, nor aern virginia d.c. the "new york times" is reporting that amazon will cut that list significantly this month and then ask falists for their best and final offers. the neweadquarters will create 50,000 jobs and $5 billion in construction investment. companythe report, the has been tight-lipped about plans. >>> amazon's alexa