Amtrak 188 NTSB: No evidence shot hit Amtrak 188, but other projectiles not ruled out Twitter Twitter May 18, 2015 at 4:43 pm follow story share Tweet from @NTSB × facebook twitter linkedin email × Follow this story For updates, please enter your email address and we'll send you important developments as they happen. What is the current year? Leave this field blank. Follow × Thank you! Please check your email to confirm your subscription to “Amtrak 188” You'll get emails from Billy Penn as this story develops. You can unsubscribe in every email.