Claudia Krauth, a spokeswoman for the Stuttgart prosecutor's office, said Monday investigators are trying to determine if there is enough evidence to arrest Edis Kayalar, who is currently vacationing in Turkey.
The 26-year-old has been charged in the U.S. with trying to extort $100,000 (euro67,258) from Crawford and her entrepreneur husband Rande Gerber by threatening to release a photo of their daughter bound to a chair and gagged when she was 7.
According to court papers, the girl says a former nanny took the picture as part of a "cops and robbers" game, and Kayalar obtained it. Kayalar was deported from the U.S. three months ago for an immigration violation.
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