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“I want to help increase the security awareness of the American public,” Mr. Yousef said. “This is the responsibility of every citizen. It is about international security.”

Mr. Yousef has been in the United States since 2007, but he had not sought publicity until earlier this year, when he published a memoir, “Son of Hamas,” about his time as an Israeli spy.

In the interview Wednesday, Mr. Yousef also said he felt he had a “responsibility to my own people.”

Mr. Yousef stated: “An important part of that is that they believe in a God that gives them the authority to kill people in the name of liberation and resistance. But they are misunderstanding. They are fighting against freedom. They are deceived because they think they have the right to kill innocent people or kill anyone.”

Mr. Yousef is not the first scion of an Islamic leader who has turned on political Islam. Hossein Khomeini, the grandson of Ayatollah Ruhollah Khomeini, the father of Iran’s Islamic revolution, toured Washington in 2003 and said in an interview that he supported the violent overthrow of Iran’s government.

In the case of the younger Khomeini, however, he did not turn on the faith of Islam, only the Islamic republic of Iran. Mr. Yousef, however, has condemned the entire religion and converted to Christianity.

“I am a believer in Christ,” Mr. Yousef said. “He did force not himself on me. He does not force himself on anyone. When we talk about God’s grace and unconditional love, I believe that if people believe in these concepts, the world will be better. You don’t have to believe in Christianity to believe in love and God’s grace. But it is good to share with others something that I believe has been good for my life.”