The FBI has confirmed it is treating the incident involving a would-be attacker on Sunday as "an attempted assassination" against Donald Trump. We answer your questions on the fallout from another dramatic event in the campaign. Is political violence becoming normalised in the US? And, a controversial right-wing conspiracy theorist was spotted on board Trump's plane for the presidential debate in Philadelphia before joining him at an event the following day. Who is Laura Loomer, and why are some Republicans concerned she could cost Trump the election? HOSTS: * Marianna Spring, Disinformation & social media correspondent * Anthony Zurcher, North America correspondent GET IN TOUCH: * Join our online community: https://discord.gg/qSrxqNcmRB * Send us a message or voice note via WhatsApp to +44 330 123 9480 * Email [email protected] * Or use #Americast This episode was made by George Dabby with Rufus Gray. The technical producer was Mike Regaard. The series producer is Purvee Pattni. The senior news editor is Sam Bonham. If you want to be notified every time we publish a new episode, please subscribe to us on BBC Sounds by hitting the subscribe button on the app. You can now listen to Americast on a smart speaker. If you want to listen, just say "Ask BBC Sounds to play Americast”. It works on most smart speakers. US Election Unspun: Sign up for Anthony’s BBC newsletter: https://www.bbc.co.uk/news/world-us-canada-68093155 Americast is part of the BBC News Podcasts family of podcasts. The team that makes Americast also makes lots of other podcasts, including The Global Story, The Today Podcast, and of course Newscast and Ukrainecast. If you enjoy Americast (and if you're reading this then you hopefully do), then we think that you will enjoy some of our other pods too. See links below. The Global Story: https://www.bbc.co.uk/sounds/brand/w13xtvsd The Today Podcast: https://www.bbc.co.uk/sounds/brand/p0gg4k6r Newscast: https://www.bbc.co.uk/sounds/series/p05299nl Ukrainecast: https://www.bbc.co.uk/sounds/brand/p0bqztzm