(VIDEO-AT-LINK)NYPD Cop killer Ismaaiyl Brinsley was using a traffic app called Waze to track law enforcement’s movements, NYC Alerts tweeted on Monday. According to an available screenshot, Brinsley was tracking two officers who were almost 4 miles away from him in Staten Island at 10:44 PM EST since the beginning of December. He thanks a friend of his on Instagram for pointing out the app is not “updated in real time” so it’s not that “reliable.”Instagram/Ismaaiyl BrinsleySmartphone applications monitoring police activity have grown in popularity over the past few years due to decreased cost, portability, and accessibility to average citizens....