澳洲新闻 (ABC新闻快递) 了解劫持分子的特点才是处理关键（在线收听）

Giandomenico Picco a former UN hostage negotiator says knowing the mind and 'biography' of the perpetrator is the key to working with hostage takers.

前联合国人质谈判专家格亚多明戈皮科表示了解罪犯的思想及其行为特点是处理劫持分子的关键。