Criminal prevention and investigation in preliminary criminal proceedings

In this article, Bruno Santiago publishes the essay he wrote for the seminar on Criminal Procedural Law of the 2002/2003 master's course at the Faculty of Law of the University of Lisbon [in Portuguese only].
The article includes:
1. introduction. Delimitation of the problem.
2. Criminal law of justice and secondary criminal law. A secondary criminal procedural law?
3. Difficulties in investigating economic and financial crime.
4. Criminal investigation and inquiry.
5. Criminal investigation activity.
6. Criminal prevention.
7. Prevention versus investigation.
8. Principle of timeliness.
9. Conclusions.