This is a foundational unit of study for trainee police officers studying at the Tasmania Police Academy. The focus for the unit is on developing the legal knowledge and skills required of a graduate police constable performing general duties in the Tasmania Police Service. It introduces students to the sources of law in our society and explores how each source operates. Students will study the structure and operation of the Tasmanian Criminal Justice System and become acquainted with the roles that they will undertake as police officers within that system. The unit covers critical aspects of criminal procedure, including arrest, custody and bail, and students will learn to apply the basic legal principles and rules relating to criminal responsibility and the admissibility of evidence. They are also introduced to legal research methods, with an emphasis on the development of problem solving skills. They will gain a practical understanding of the rules and procedures applying to witnesses in criminal proceedings, including how to participate as a witness in such proceedings.