1. DEA agent killed in shooting on Amtrak train in Arizona  CBS News
2. Arizona Amtrak shooting leaves DEA agent, suspect dead, one person detained, authorities say  Fox News
3. Officials Detail Arizona Train Station Shooting That Left DEA Agent Dead  NBC News
4. Shooting on Amtrak train in Tucson leaves DEA agent, gunman dead  AZCentral.com
5. 1 DEA agent killed, 2 officers hurt in shooting aboard Amtrak train: Tucson police  Yahoo! Voices
6. View Full Coverage on Google News

Source: Google Finance – Market News