This site includes information on starting your career in law enforcement, links to professional organizations throughout the country, as well as police officer requirements for each state.
A site from the U.S. Department of Labor. Gives standardized descriptions of hundreds of jobs. You can search it by the name of a specific job or by general work areas or by skills.
Criminal Justice Professionals: A Practical Career Guide, which includes interviews with professionals in the field, covers the areas of this field that have proven to be stable, lucrative, and growing professions.
Exploring Careers in Cybersecurity and Digital Forensics is a one-stop shop for students and advisors, providing information about education, certifications, and tools to guide them in making career decisions within the field.
Criminal Justice Professionals by 
Exploring Careers in Cybersecurity and Digital Forensics by