Criminal investigation is a multifaceted discipline that generally includes subjects such as psychology, criminology, interrogation and cyber crime, to name a few topics. This field of study could lead to a variety of law enforcement career choices.

Spain, officially the Kingdom of Spain, is a sovereign state and a member state of the European Union. It is located on the Iberian Peninsula in southwestern Europe. Spanish universities regulate access to their own degrees and they fix the academic fees. They can also offer unofficial postgraduate degrees. The capital city Madrid has possibly the largest number of bars per capita of any European city and a very active nightlife.