Protesters at Citi Field represented 11 organizations that signed an open letter opposing the use of facial recognition systems at stadiums. The groups included Fight for the Future, the Electronic Privacy Information Center, and Amnesty International. The letter contends that “not only does facial recognition pose unprecedented threats to people’s privacy and safety, it’s also completely unnecessary.”

Activists outside Citi Field on Wednesday distributed flyers with information about Go-Ahead Entry, stating in all caps, “WE CALL FOUL ON FACIAL RECOGNITION AT SPORTING EVENTS.” This protest follows a similar demonstration last year by Fight for the Future at Citizens Bank Park, home of the Phillies.