The four men suspected of plotting with two Southeast Asian women to murder the North Korean leader's half-brother have been named as North Koreans.
Malaysian police identified all four suspects by their names on Monday.
They fled Kuala Lumpur International Airport after allegedly overseeing an operation to smear VX nerve agent on Kim Jong-nam on February 13th.
Police say the man who coordinated the assassination was Rhee Jae-nam .
The two who gave orders to the Vietnamese and Indonesian women have been identified as Hong Song-hak and Lee Ji-hyun .
And the man who checked out from a hotel near the airport, previously only known as "James," has been identified as Oh Jong-kil .
All of them were traveling on North Korean passports.
The Malaysian police believe all four are in Pyongyang and asked Interpol to issue a "red notice" for their arrest back in March.
The two female suspects, who are currently undergoing trial for their alleged roles in the murder, claim they were tricked into believing they were taking part in a TV prank show that involved wiping lotion on the faces of unsuspecting people.
Both could face the death penalty, if convicted.
Officials in Malaysia have not formally accused the North Korean regime of involvement, but Pyongyang has vigorously denied accusations leveled by South Korea and the U.S. that it was ordered the killing.
Kim Jong-nam, the half-brother of leader Kim Jong-un, had been heir-apparent to his father's dictatorship in the 1990s, but was exiled after being caught trying to enter Tokyo's Disneyland in 2001.
Won Jung-hwan, Arirang News.