Suspect does 'not recall' the matter, police said
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Suspect told police, 'it might have slipped into my luggage as I hurriedly packed'
Near where the son was found collapsed a knife was discovered nearby, police said
Wanted man is sought on suspicion of abandoning a corpse
Police found two knives that are believed to have been used in the crime at the scene
Suspect allegedly injected insulin and withdrew blood, police said
Suspect told police, 'My father took time to change his clothes, and it pissed me off'
His disappearance in 1992 was not connected to North Korea, police said
Suspect told police, 'I was so excited that I couldn't control my sexual desire'
Police are now seeking to confirm the identities of the bodies and the causes of death