The man, identified only by his last name, Kim, was charged with assaulting a defector in her 20s at her South Korean home in a complaint filed with police on June 12.
He denied the charges when questioned by detectives later in the month, but a person he knew told investigators he allegedly threatened the woman and planned to flee north.
An arrest warrant for Kim was issued two days later, but according to North Korean state media at the time, he was already back across the border.
State media reported on Sunday that a “fugitive” suspected of carrying the virus returned to the north on July 19.
He accused the man of having “illegally crossed the demarcation line “which separates the two Koreas as a emergency state was said around the town of Kaesong, where he was found.
Kim escaped Seoul’s high-tech border control systems by crawling through a drainage pipe and swimming on the Han River on July 19, South Korean military leader Park Han-ki told the country’s parliament on Tuesday.
He is believed to have survived in the South by borrowing money from other defectors and owed at least 20 million won (£ 13,000).
Kim, described as 5 feet 3 inches and weighing just 54 kg (119 pounds), worked in Kaesong, a North Korean border town where the two countries worked together until joint projects were closed amid increasing tensions in 2016.
He has decided to defect to the South, he said in a YouTube video filmed with a colleague defector in South Korea last month.
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“After crossing barbed wire, I encountered minefields which I bypassed and I arrived in a reed field near the Han River where I remained in hiding for about three hours,” he said. stated in the video.
Although 16 million coronavirus infections have been reported worldwide, in North Korea Kim Jong Un’s regime denied having any cases.
This claim has always seemed unlikely due to the nature of the virus and the fact that North Korea shares a 1,400 km (870 mile) border with China, where the virus was discovered.
Some say North Korea may be using re-defection as a way to admit it has cases of illness, while blaming South Korea.
Leif-Eric Easley, professor at Ewha University in Seoul, said on Sunday: “Blame a suspected returning defector for bringing COVID-19[feminine[feminine in the country is probably intended to blame the spread of the virus from China and Pyongyang to Seoul. “