How should crime research be categorized?

I’m thinking about creating weekly directories of new research, categorized by topics

Subscribers may be aware that I’ve been experimenting with directories of research organized by geography, such as the following posts:

The week in crime research, organized by geography

Last week's crime research, by geography

To create those directories, I wrote code that helps categorize new research by where it was conducted. These directories were conceived of as tools for journalists and advocates looking for criminal justice and criminol…