Follow these steps to become a criminal investigator:
Obtain a Bachelor of Science degree in criminal law, forensic science or relevant field. While completing the degree coursework, you should develop a deep understanding of criminal law, legislation and rules.
Undergo on-the-job training to become familiar with various types of evidence such as direct, hearsay, circumstantial and trace evidence and the rules around their admissibility. During this period, you should strive to understand the process of investigation.
Gain hands-on experience with forensic science and crime scene analysis. This ensures a practicing criminal investigator develops critical thinking and ethical reasoning.
Grasp the essential skills and competencies of law enforcement, such as the ability to be ethical and honest, the ability to observe minute details and produce a detailed report, proficiency in interpreting evidence, high confidentiality and integrity, excellent communication skills, good interpersonal skills and strong analytical skills.