Charles Sobhraj, a convicted killer who police believe murdered more than 20 western backpackers on the "hippie trail" through Asia in the 1970s and 1980s, arrived in France on Saturday.
Sobhraj is returning after nearly two decades behind bars in Nepal, BFM TV reported.
Nepal's Supreme Court ordered the release of Sobhraj, known as the "bikini killer" in Thailand, and 'The Serpent" for his evasion of police, on Wednesday, citing his advanced age and health.
A French national who was born to an Indian father and Vietnamese mother, Sobhraj, 78, landed at Paris' main international airport shortly after 7 a.m. and was escorted off the plane by police for identity checks.
"He is well, he is a free man," Sobhraj's lawyer Isabelle Coutant-Peyre told Reuters. Asked what his next steps would be, she said: "He will file a legal complaint against Nepal because the whole case against him was fabricated."
Sobhraj had been held in a high-security prison in Nepal since 2003 when he was arrested on charges of murdering American backpacker Connie Jo Bronzich in 1975. He was later found guilty of killing Bronzich's Canadian friend, Laurent Carriere, and served 19 years out of a 20-year sentence.
But he was suspected of more murders, including in Thailand, where police say he killed six women in the 1970s, some of whom turned up dead on a beach near the resort of Pattaya.
He was jailed in India for poisoning a group of French tourists in the capital, New Delhi, in 1976 before he could stand trial on the charges against him in Thailand.
Sobhraj told the French news agency AFP on the flight out of Nepal that he was not guilty of murdering Bronzich and Carriere.
"I have a lot to do. I have to sue a lot of people," AFP quoted Sobhraj as saying.
Associates have previously described Sobhraj as a con artist, a seducer, a robber and a murderer.
In 2021, the BBC and Netflix produced a drama series based on the story of Sobhraj’s alleged killings.
France's interior and justice ministries did not respond to Reuters questions about whether Sobhraj might face criminal charges in France. The statute of limitations for most serious crimes in France is 20 years.


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