澳洲专家指出，徐步高的性格与连环杀手相似，在谋杀前的36至48小时前必定遭受了惨痛的经历，例如失业、关系破裂、金钱损失或公开被羞辱。

He said 36 to 48 hours before committing a murder, this type of killer must have suffered a traumatic event such as losing a job, breaking up a relationship, losing money or being publicly shamed.

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