NY Post, so not the best source:
“…
Routh was a supporter of Vivek Ramaswamy and Nikki Haley, according to one of his posts in which he encouraged the Republican presidential candidates to continue their races. “You cannot quit. Why. You must stay on the ballot to the end. You must fight. You must continue giving speeches and push all the way to election day no matter the election results. Do not give in. Join Nikki and keep working. Never give up,” he wrote.
Routh is also a staunch supporter of Ukraine and Taiwan in their respective conflicts against Russia and China. He
claims on X that he tried to “sell” the idea of having former Afghanistan troopers fight for Ukraine in Russia, but was denied multiple times before giving up after six months. …”
Ryan Wesley Routh, 58, has been identified as the suspect who was arrested after allegedly pointing an AK-47 assault rifle at former President Trump while he golfed, according to law enforcement so…
nypost.com
Supposedly His Twitter feed indicates he voted for Trump in 2016 but became disillusioned with him.