Sobhraj, aged 78, had been serving a life sentence in Nepal for killing two tourists in 1975, but many of his alleged murders remain unsolved."We are working on gathering all the necessary travel documents to deport Sobhraj to France," the acting Director General of the Nepal immigration department Pradarshani Kumari told CNN, adding that "it could happen today (Friday), it might take a few days."Born in French-administered Saigon, Vietnam, Sobhraj was first jailed in Paris in 1963 for burglary but went on to be accused of committing crimes in a list of countries: France, Greece, Turkey, Iran, Afghanistan, Pakistan, Nepal, India, Thailand and Malaysia.Sobhraj eventually admitted to at least 12 killings between 1972 and 1976, and hinted at others to interviewers before retracting the confessions ahead of further court cases, according to his biographers.It tells how for years, he evaded the law across Asia as he allegedly drugged, robbed and murdered backpackers along the so-called "hippie trail" -- while former Dutch diplomat Herman Knippenberg worked with authorities to capture him."