Duped into killing Kim? 2 suspects say it looked like prank

This file image provided by Star TV of closed circuit television footage from Feb. 13, 2017, shows Vietnamese Doan Thi Huong, left, at Kuala Lumpur International Airport in Sepang, Malaysia, who police say was arrested in connection with the death of Kim Jong Nam, the half brother of North Korean leader Kim Jong Un. Two women – Doan and an Indonesian – have been arrested for allegedly coating their hands with the immensely toxic chemical agent VX and wiping them on the face of Kim Jong Nam at the airport.