US federal prosecutors said Peter Beichl, 50, a doctor from Albstadt in Baden-Württemberg state, flew from Germany to Cleveland in March believing he would have sex with an 11-year-old girl for $1,150 (€859).

He was arrested at the Cleveland airport with lingerie, sex toys and 17 condoms as well as a sedative meant to facilitate the abuse.

In a previous email to an undercover federal agent he had allegedly written: “If she should be scared, I could bring some short acting slight sedative, which is doing no harm.”

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Beichl also brought stuffed unicorn toys for his trip because he believed the girl loved the fantasy animals, according to a statement from the US Department of Justice.

Beichl’s conviction is one of four from an undercover investigation authorities began in 2009. Federal agents set up an undercover website that the Cleveland Plain Dealer has reported was called “Precious Treasure Holiday Company,” which offered to arrange sex with children.

Paedophiles who made email inquiries were then invited by federal agents to make sex bookings and travel to the United States.

Another German caught in the sting, 63-year-old Otto Linzenbach of Leipzig, pleaded guilty earlier this year to charges of attempted exploitation of children and travel with intent to engage in illicit sexual conduct and is awaiting sentencing.

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