Police officers in Ha Noi are carrying out procedures to hand Kim Won Hoon, 31, over to their South Korean counterparts after detaining him recently, Colonel Duong Van Giap, head of the local social crime investigation police department, said Wednesday.

Kim is one of the two transnational drug traffickers who had been hunted worldwide by the Interpol since 2012.

The man and his compatriot, Lee Tae Hee, 41, engaged in illegally transporting synthetic drugs from Viet Nam to South Korea, with the aid of other people, Colonel Giap said, citing the case file.

This file photo shows bags of synthetic drug tablets seized by Vietnamese police in a drug trafficking case.

They stashed drugs under clothes, electronics, and other goods and sent them from Viet Nam to South Korea through express delivery services.

They made all drug deals with their partners through the Internet and by telephone.

From October 2011 to January 2012, Kim and Lee were successful in 18 times of carrying drugs between the two countries.

In October 2012, South Korean anti-drug police detected their acts and issued a special wanted notice.

They then fled to Viet Nam and lived under different covers to avoid being found by local police.

Lee disguised himself as a businessman coming from South Korea to seek investment opportunities.

He frequented many bars and discotheques in Ha Noi and spent the money gained from drug trafficking on pleasure activities there.

When he ran out of money, he committed a swindle in the capital city and was arrested by local police.

Meanwhile, Kim worked many jobs to make a living in the same city, from a travel agent to a land broker. He even acted as a guide to take South Korean expats to places of debauchery in Ha Noi. After a long time of search, Ha Noi police arrested Kim on December 9 when he just arrived from Ho Chi Minh City.