Such a crime, whose responsibility?

China
November 29, 2009 8:11pm CST
It's reported a shocking crime that a family of six were killed , and the killer was not others, it's the son of parents, husband of the wife, father of two children and brother of sister,. While the whole family were massacred by their beloved one. What lead to such a blooding crime to his own families? The killer told police that, in a long time , he is not in a good relationship with his families, his part\ents were very strict to him since young, his wife was in a strong character while he was introvert. No one can understand why he is so cruel? Usually people call this kind of action psychopathic, while who should be responsible for those psychopathics?
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