The FBI is investigating what it called an "attempted assassination" of former President Donald Trump after Secret Service agents fired at a man with an AK-47 rifle on or near Trump's Palm Beach, Florida, golf course on Sunday. Multiple law enforcement sources told ABC News that the man detained by Florida authorities in relation to the potential assassination attempt has been identified as Ryan Wesley Routh, 58. Follow ABC30 Action News on social media: ABC30 on Facebook https://facebook.com/abc30 ABC30 on Twitter https://twitter.com/abc30 ABC30 on Instagram https://instagram.com/abc30_actionnews ABC30 on TikTok https://www.tiktok.com/@abc30_actionnews Find this story and more at https://abc30.com