this is info from an Australian Institute.. but here u go anyways it explains some stuff
http://www.aic.gov.au/services/careers.html
Edit:
here's a Canadian link
http://www.nelson.com/nelson/harcourt/criminology/career.htm
and here is a list of careers i found on this
site:
* Police officer
* Detective
* Criminal investigator
* Corrections, Parole, or Probation officer
* Warden
* Security investigator or specialist
* Lawyer
* Legal assistant
* Court administrator Judge or Magistrate
* Federal government [FBI, CIA, ATF, Customs, Secret Service, INS, Border Patrol, Drug Enforcement]
* State [state trooper, SBI agent], Local law enforcement agencies, Arson specialist, Serology specialist or Fingerprinting specialist.