the need to kill in a hands-on manner.

这种谋杀必须亲身参与
While crushing someone with a car

而开车撞人
presents as distance and removal from the kill.

则代表与谋杀远离
What makes you think they're connected?

你为什么觉得这两个案件有关联
The victims' cars were found about two miles from each other,

两名死者的车在相隔两英里的地方被发现
and they have similar mutilation around their mouths.

并且他们的嘴里有相似的伤痕
And he crosses racial lines.

不是针对某一种族
Well, if you consider that and a similar geo-profile,

考虑到这点以及相似的地理环境
maybe we have two different killers.

也许是两名凶手干的
We could be looking at a team.

或许是团伙作案
A disorganized one.

无组织的团伙
Or the unsub's just experimenting,

也有可能不明嫌犯是在不断试验