Your link takes me to a story about someone named Theo Von, who is not the man identified as the Trump shooter.
From website in my above post
Thomas Crooks Affiliations
Portland Black Bloc: Known for aggressive tactics during protests.
Seattle Antifa Collective: Coordinated anti-fascist actions across the Pacific Northwest.
New York City Antifa: Notorious for confrontations with far-right groups.
Los Angeles Antifa Network: Organized counter-protests against alt-right rallies.
Chicago Anti-Racist Action: Dedicated to combating white supremacy in the Midwest.
IMPORTANT NOTICE: THE CONTENT IN THIS ARTICLE HAS BEEN SOURCED FROM VARIOUS SOCIAL MEDIA ACCOUNTS AND INFORMATION SUBMITTED BY ANONYMOUS SOURCES