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TEL AVIV — The mother of prime minister Yitzhak Rabin's assassin has booked a U.S. lecture tour to discuss what she says are the real facts of the killing — but she cannot secure a U.S. visa.

"I was supposed to be there on Sunday," Geula Amir told the Jerusalem Post. "The embassy didn't give me an answer to my visa request."

Amir said the two-week tour would include interviews with major U.S. publications. The tour is being sponsored by the new political magazine George, published by John Kennedy Jr., son of the assassinated U.S. president. George conducted a long interview with Amir, released Tuesday.

Amir, mother of Yigal Amir, now serving a life sentence for killing Rabin in 1995, said she is not making any money from the lecture tour. Instead, she simply wants to tell her side of the story of the assassination.

She would not elaborate, although Amir supporters assert that the Rabin killing was the result of a staged assassination in which the prime minister was to have been attacked by a man firing blanks.

As of Monday, the U.S. Embassy in Tel Aviv has not provided Geula Amir with either a visa or a reason for the delay.

She said the embassy has asked her for numerous documents, such as the title of her home, business license and her daughter's driver's license.

A U.S. Embassy spokeswoman said that under U.S. privacy law, the embassy cannot comment on visa matters.

Amir's attorneys said they suspect that the U.S. State Department consulted with Israel's Foreign Ministry on the visa request and Israeli officials urged Washington not to issue a visa.

They point out that Foreign Minister David Levy's chief adviser is Carmi Gillon, former head of the General Security Service, who resigned after the Rabin assassination.

But Foreign Ministry spokesman Danny Shek said that Israel was not consulted on the visa request. "This has nothing to do with us," he said. "This is purely a U.S. matter."

Amir also said that her two imprisoned sons, Yigal and Haggai, the latter convicted of supplying the bullets that killed Rabin, are being "treated as subhumans." She said she has appealed to Israeli human rights groups but they have not responded.