Greater Noida, Nov. 13 -- Surendra Koli walked out of a jail in Greater Noida on Wednesday evening, 18 years after he was arrested in connection with the grisly 2006 Nithari murders and a day after the Supreme Court let him off in the final case pending against him.

Koli, dressed in a powder-blue shirt, black pants and a navy-blue jacket, walked out of Luksar jail at 7.16pm, drawing the curtains on a nearly two-decade-long saga that shook the country.

The 49-year-old was not received by any family members, but accompanied by three of his lawyers. Koli did not speak to the clutch of journalists gathered outside the prison complex, and his lawyers did not reveal where he would be taken.

Koli was 30 when he was arrested on December 29, 20...