News Uncategorized NYPD will use rooftop sensors to pinpoint gunfire and reduce violent shootings July 16, 2014February 4, 2017 admin 537 Views 0 Comments http://www.appy-geek.com/Web/ArticleWeb.aspx?regionid=1&articleid=25983883 TweetShare on TumblrEmailLike this:Like Loading... Related