International crime and punishment is a fascinating subject and can lead to very interesting dissertation! It is a popular subject to choose and there are many avenues you can take. If you are looking for some examples, take a look at some below:
An analysis of differing government responses to offensive material upon the internet: Iceland, Greece, Brazil.
Concerned with the different approaches and responses of governments, this dissertation also addresses aspects that relate to issues of governing international spaces. The three countries chosen for study are markedly different; geographically, politically, and culturally, and therefore provide a rich stream of data for international comparison and analysis. This is a dissertation in which it is envisaged primarily secondary sources will be used. However, the use of additional primary material would be particularly welcome were this to be expanded upon at Master’s level.
Suggested initial topic reading: