来自《犯罪心理第7季第3集第3集》

all seem to come from the same pair of shoes.

均来自同一双鞋
Given the violence, if there were a second killer,

鉴于这种暴力程度如果还有一名凶手
he'd be hard-pressed to get away without leaving tracks.

离开的时候肯定会留下足迹
If there was only one unsub,

如果只有一名凶手
he used his gun first, emptied his magazine,

他先用枪打空了弹夹后
didn't have a replacement, and resorted to using his knife.

没有备用弹夹所以只能用刀
He'd have to be physically fight

他肯定体魄强劲
or at least intimidating enough

至少具有一定威慑力
to subdue so many people.

才能制服这么多人
If this were highly premeditated,

若他计划周密
he would have brought enough ammunition to kill everyone.

肯定会带上足够弹药杀死所有人
Unless he had a single target.

除非他的目标是某个人