The poisoner always works on a calculated plan of action and therefore is able to consider whether or not his taking another「s life is worth the risk of his own;
投毒的人总是按周密的行动计划作案的,因此有可能考虑是否值得冒着偿命的危险去杀害他人;
Rumours of a possible animal poisoner were reinforced by claims that a woman was seen near Kim」s enclosure shortly before she died.