The Chelsea bombing got outsized attention because it occurred in the nation's media epicenter, Manhattan. http://www.politico.com/magazine/story/2016/09/terrorism-nyc-bomb-media-coverage-news-214263#ixzz4KkWQE2zL …
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more