Western countries have repeatedly charged that Iran is trying to take advantage of foreign countries by taking dual and foreign nationals hostage and then using them in prisoner swaps.With police standing nearby in the southern Iranian city of Shiraz on December 22, people gathered to mark the end of the traditional mourning period following the death of Omid Moayedi, a 22-year-old killed by direct fire from security forces during a demonstration on November 15.Isa Bigleri and Zaniar Allahmoradi were killed by the security forces of the Islamic republic during protests on November 16 in Sanandaj.Officials, who have blamed the West for the demonstrations, have vowed to crack down even harder on protesters, with the judiciary leading the way after the unrest entered a fourth month.The Biden administration's envoy to Iran says a deal to revive a nuclear deal between Iran and world powers is not dead, but Washington is skeptical Tehran is "prepared or able" to reach an agreement after it backed away from "a golden opportunity" in September to finalize an accord and then threw its support behind Moscow in its war against Ukraine."