Analysis of information sources in references of the Wikipedia article "فهرست تلاشها و توطئههای ترور ریاستجمهوری ایالات متحده آمریکا" in Persian language version.
Of the individuals who come to the Secret Service's attention as creating a possible danger to one of their protectees, approximately 75 percent are mentally ill.
Of the individuals who come to the Secret Service's attention as creating a possible danger to one of their protectees, approximately 75 percent are mentally ill.
