Trump shooting timeline: Gunman spotted hour before tragedy | Al Jazeera Newsfeed

Audience members had reportedly spotted 20-year-old Thomas Matthew Crooks and reported his behaviour as suspicious nearly an hour before he opened fire at a Donald Trump rally in Pennsylvania. Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter https://twitter.com/AJEnglish Find us on Facebook https://www.facebook.com/aljazeera Check our website: https://www.aljazeera.com/ Check out our Instagram page: https://www.instagram.com/aljazeeraenglish/ Download AJE Mobile App: https://aje.io/AJEMobile @AljazeeraEnglish #Aljazeeraenglish #News