The Library has a great collection of ebooks in the subject area of criminology providing either overviews or in-depth discussion on topics, for examples:
eBook Collection (EBSCOHost) - True Crime
JSTOR - Security Studies content, e.g. drug trafficking
Oxford Handbooks Online - Criminology and Criminal Justice
ProQuest Ebook Central - Social Science / Criminology
Routledge Handbooks Online - Criminology and Criminal Justice
Australia and New Zealand Newsstream