text:  Butler itself really has actually had a pretty robust economy and a growing population. There are some fast growing suburbs that feed in the city, but other places outside have really struggled with the collapse of manufacturing and coal mining. So Trump's message really resonates when he talks about Chinese imports or fossil fuels. And in fact, he was talking about immigration when the shots ran out. The FBI has identified the suspect as a 20 year old man from Bethel Park, Pennsylvania. What can you tell us about him or that town?