The emailed threats come alongside an increase in anti-Semitic hate crimes.
He allegedly wanted to start a "racial holy war."
A Twitch spokesperson confirmed the link to the video has been taken down.
The FBI arrested Conor Climo late last week, but he'd been on law enforcement radar since April.
After the Democratic debates, many critiqued Sanders for appearing "angry." Some American Jews, however, saw the comments as ignorant or even anti-Semitic.
The city of Los Angeles has approved a cannabis cafe, but the attendees of Congregation Kol Ami don't want to be neighbors.
Breitbart, Stormfront, and Shapiro: How Man Convicted of Painting Swastikas on Synagogue Says He Got Radicalized
He and his wife drove 50 miles across Indiana to paint huge swastikas on a synagogue and scorch its grounds.
Secretary of State Mike Pompeo agreed that God may have sent Trump to save Israel.
Seven Democratic presidential candidates so far have confirmed they won't attend.
Some even include limiting Jewish representation right in their platforms.
Pastor Robert Jeffress wasn't even the only controversial religious leader there.