They study criminology to catch bad guys.

他们研究犯罪学是为了抓坏人

In a wide sense of the word, criminology includes penology.

从广义上讲，犯罪学包括刑罚学。

Are you fascinated by criminology, forensics, and detective work?

你是否有迷上犯罪学、法医和侦查工作？

The needs of society lead the criminology to be independent.

犯罪学独立与否取决于社会的需要；

So it becomes the important question for study in criminology.

因此它早已成为刑法学中的一个重要的研究课题。

And experts who study criminology say that some crimes do seem to be contagious.

研究犯罪学的专家说，有些罪行似乎会蔓延的。