A Chinese national suspected of killing his two teenage nephews in Los Angeles was arrested in a Hong Kong airport on Saturday morning as he tried to flee to mainland China.

FBI spokeswoman Laura Eimiller said that the 44-year-old suspect was taken into custody and transferred to Tung Chung police station after a check-up. The man allegedly killed his two teenage nephews, 15-year-old Anthony Lim and 16-year old William Lin. 

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Double crime 

Shi Deyun, a resident at the Los Angeles county of La Cañada Flintridge, attacked his wife with an ax on Thursday night after she told him that she wanted a divorce. Police said that the wife suffered severe, but not life-threatening injuries. 

The parents of the teenage victims visited Shi's wife on Thursday, leaving their two sons at home in Arcadia. Police suspect that this was when Shi entered the couple's house and killed Anthony and William. The victims' father is Shi's brother. Previous reports had identified him as the brother of Shi's wife.

The parents did not see anything amiss when they came home at 5 am on Friday. Only after the father has left for work did the mother see her two sons' bodies on different levels of their house. 

According to the Los Angeles County Sheriff's Department, a woman called 911 on Friday saying she found her two sons suffering from head trauma. The victims were pronounced dead by the time police arrived at the scene. 

Police said that there were signs of forced entry and that the teens were killed by a blunt force to the head. 

Shi's car was found at the Los Angeles International Airport where he boarded a plane to China on Friday.

China and the United States do not have an extradition treaty, but Hong Kong and the US does. It is unclear if the Chinese government has been notified of the case. 

TagsShi Deyun, teenage killing in Los Angeles, Double Murder