He fit neither the pure white-supremacist nationalist MO and nor does he appear to be simply insane, but rather quite capable of planning a complicated and well-executed (if cowardly and despicable) attack.
" Added his father, King Norodom Sihanouk, who was in Beijing for medical treatment: "It is fitting to condemn with strongest severity the despicable and cowardly killer and those who were the instigators of this odious crime.