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.

Like many other EU countries, Poland offers inexpensive or even free tuition to EU students. Prospective students should apply directly to their chosen Polish institution. The University of Warsaw, for example, charges between £1,300 and £2,500 per year for its English language courses.