For more than a decade, Hezbollah and therefore Iran have maintained “sleeper agents” in America who await only a coded signal to commit mass murder and wreak maximum chaos. “There would be certain scenarios that would require action or conduct by those who belonged to the cell,” one of three sleeper agents arrested by the FBI since 2017 is quoted saying in court papers. The sleeper agent, Ali Kourani, told the FBI Joint Terrorism Task Force that he would have expected to be activated if Iran and the United States went to war. “The unit is Iranian controlled,” Kourani said....