Criminal Justice Abstracts with Full Text is an excellent source for peer-reviewed journals in the criminal justice field. It includes both abstracts and full-text articles. 

The screenshot examples below search for articles about preventing juvenile crime.

• You can use quotes to search for words together as a phrase (i.e. "revolutionary war"), and use another field to break up my keywords into concepts.
• Click the blue search button to find articles.

This search found 6704 results for journal articles.

• Select Peer Reviewed from the options below the search bar to show just scholarly journal articles in your results.
• Results are sorted by relevance with the most relevant articles appearing at the top of the list. You can change this using the sort drop-down.
• Options to access the full text will appear as "Access now" or as "Access Options". If the full text is not available in the database, the access option available will appear as "Check for full text", which you can use to find the item in another database or request it through interlibrary loan.