Kim Jong Nam death investigation_00002905.jpg
Video Ad Feedback
Mystery goes on in Kim Jong Nam's murder probe
02:17 - Source: CNN
Kim Jong Nam's death 18 videos
Kim Jong Nam death investigation_00002905.jpg
Video Ad Feedback
Mystery goes on in Kim Jong Nam's murder probe
02:17
Now playing
- Source: CNN
Royal Malaysian Police escort Vietnamese defendant Doan Thi Huong (2nd L) after her trial at the Shah Alam High Court in Shah Alam, outside Kuala Lumpur on October 2, 2017, for her alleged role in the assassination of Kim Jong-Nam, the half-brother of North Korean leader Kim Jong-Un. Two women pleaded not guilty on October 2 to murdering the half-brother of North Korea's leader at the start of their trial in Malaysia, as prosecutors alleged they practised for the Cold War-style assassination before carrying it out. / AFP PHOTO / MOHD RASFAN (Photo credit should read MOHD RASFAN/AFP/Getty Images)
Video Ad Feedback
Accused killers of Kim Jong Nam to stand trial
02:18
Now playing
- Source: CNN
REMOVES REFERENCE TO RE-ENACTMENT - Vietnamese Doan Thi Huong is escorted by police as she arrives at Kuala Lumpur International Airport in Sepang, Malaysia, Tuesday, Oct. 24, 2017. The two women accused of killing Kim Jong Nam, the North Korean leader's half brother, are touring at the Malaysian airport as participants in the murder trial visit the scene of the attack. (AP Photo/Sadiq Asyraf)
Video Ad Feedback
Kim Jong Nam murder suspects visit crime scene
01:26
Now playing
- Source: CNN
kim jong nam murder trial robertson pkg ct_00005016
Video Ad Feedback
Kim Jong Nam murder suspects heading to trial
02:25
Now playing
- Source: CNN
Video Ad Feedback
Kim Jong Nam had VX antidote at time of murder
01:00
Now playing
- Source: CNN
Kim Jong Nam, left, was the half-brother of North Korea's leader Kim Jong Un, right.
Video Ad Feedback
Theories behind Kim Jong Nam's murder
01:43
Now playing
- Source: CNN
Kim Jong Nam death investigation_00002905.jpg
Video Ad Feedback
Kim Jong Nam's body returned to North Korea
01:29
Now playing
- Source: CNN
kim han sol Cheollima Civil Defense
Video Ad Feedback
Kim Jong Nam's son sends message from hideout
01:06
Now playing
- Source: CNN
Royal Malaysian Police personnel keep watch behind a police line drawn across the entrance to the North Korean embassy in Kuala Lumpur on March 7, 2017, following a directive barring North Korean embassy staff from leaving the country. Malaysia said March 7 that North Korea embassy staff are barred from leaving the country, in a tit for tat response after Pyongyang banned all Malaysian citizens from leaving. / AFP PHOTO / MOHD RASFAN (Photo credit should read MOHD RASFAN/AFP/Getty Images)
Video Ad Feedback
Dual travel bans between Malaysia and N. Korea
01:43
Now playing
- Source: CNN
Security footage from Fuji TV appears to show the moment Kim Jong Un was attacked February 13.
Video Ad Feedback
Report: 2 hit teams stalked Kim Jong Nam
02:31
Now playing
- Source: CNN
Kim Jong Nam death investigation_00002905.jpg
Video Ad Feedback
VX nerve agent killed North Korean in airport
03:16
Now playing
- Source: CNN
north korea history spying assassinations pkg hancocks _00001209.jpg
Video Ad Feedback
North Korea's history of covert operations
02:15
Now playing
- Source: CNN
Video Ad Feedback
4 N. Koreans sought in death of Kim Jong Nam
02:10
Now playing
- Source: CNN
malaysia kim jong nam suspect closeup
Video Ad Feedback
Murder suspect thought she was in TV prank
01:57
Now playing
- Source: CNN
The car of ambassador of North Korea to Malaysia leaves the forensic department at the hospital in Kuala Lumpur, Malaysia on Wednesday, Feb. 15, 2017. Kim Jong Nam, the half brother of North Korean leader Kim Jong Un, was killed Monday in Malaysia in what appeared to be an assassination carried out by female agents possibly armed with a poisoned needle. (AP Photo/Vincent Thian)
Video Ad Feedback
Kim Jong Nam's death in Malaysia
01:28
Now playing
- Source: CNN
A man watches a television showing news reports of Kim Jong-Nam, the half-brother of North Korean leader Kim Jong-Un, in Seoul on February 14, 2017.
Video Ad Feedback
Second arrest in Kim Jong Nam's death
01:00
Now playing
- Source: CNN
A man watches a television showing news reports of Kim Jong-Nam, the half-brother of North Korean leader Kim Jong-Un, in Seoul on February 14, 2017.
Video Ad Feedback
Officials: Kim Jong Un's half-brother murdered
02:23
Now playing
- Source: CNN
In a picture taken on June 4, 2010 Kim Jong-Nam, the eldest son of North Korean leader Kim Jong-Il, waves after an interview with South Korean media representatives in Macau. Kim Jong-Nam was in the limelight with Seoul's JoongAng Ilbo newspaper carrying a snatched interview with him at a hotel in Macau. Jong-Nam declined knowledge of the warship incident, it reported, and said his father is "doing well". North Korean Leader Leader Kim Jong-Il on June 7 attended a rare second annual session of parliament at which Kim's brother-in-law was promoted and the country's prime minister was sacked, state media reported. REPUBLIC OF KOREA OUT AFP PHOTO / JOONGANG SUNDAY VIA JOONGANG ILBO (Photo credit should read JoongAng Sunday/AFP/Getty Images)
Video Ad Feedback
Who killed Kim Jong Nam?
02:42
Now playing
- Source: CNN

Story highlights

North Korea calls for the release of suspects in custody

Malaysian authorities believe four North Korean suspects are back in Pyongyang

Kuala Lumpur, Malaysia CNN  — 

Malaysian authorities want to speak with a North Korean embassy official and airline em