Nota Baloyi, a South African who spoke to The Intercept on Wednesday, had his visa revoked for tweeting that Kirk “won’t be remembered as a hero. He was used to astroturf a movement of white nationalist trailer trash!”

Nota Baloyi, a South African who spoke to The Intercept on Wednesday, had his visa revoked for tweeting that Kirk “won’t be remembered as a hero. He was used to astroturf a movement of white nationalist trailer trash!”

Last Friday he received a brief email notification from the U.S. consular office revoking his visa. The message made no reference to his social media activity.