Texas State University police are investigating white supremacist business-size cards found on campus Thursday, the latest in a series of incidents involving racist propaganda at the university, according to a report in the University Star.

Between November 2016 and December 2017, Texas State has seen more neo-Nazi propaganda appear on campus — in the form of posters, flyers and banners — than any other university in the country, according to the Anti-Defamation League.

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University President Denise Trauth sent an email to students and faculty Thursday, alerting them to the latest incident.

“Racism will not be tolerated at Texas State University,” Trauth said, according to the University Star. “Each time this has occurred, it has been deeply upsetting to our community. I have heard from students, faculty, and staff very moving and personal accounts of how disturbing it is when this material is found on campus.”

The appearance of racist propaganda had slowed on the campus since December, when university police stopped several men inside a parking garage with white supremacist flyers. The men received a warning, which police said allowed them to issue citations if they returned to campus.