[1/7] Items seized from a neo-Nazi group who call themselves Crew 38 are displayed in Florianopolis, Santa Catarina state, Brazil April 24, 2023. REUTERS/Cristiano Estrela ITAJAI, Brazil, June 13 (Reuters) - Last November, just hours before a social gathering for Haitian immigrants in the town of Itajai in the southern Brazilian state of Santa Catarina, event organizer Andrea Muller received a chilling message. "Cancel the Haiti exhibition or we will commit a massacre," read the subject line of the email, seen by Reuters. "Santa Catarina is a land of WHITE PEOPLE, FOR WHITE PEOPLE," the anonymous sender wrote, signing off...