MS in Forensic Counseling. Forensic counseling is an emerging field that combines psychology and criminal justice. With a Master of Science (MS) in Forensic Counseling, students can work in a number of positions in the criminal justice and counseling fields. forensic counseling professionalâs job requires them to: 1  Provide psychological support to those going through the legal system. 2  Support the clientâs participation in a treatment plan. 3  Testify in court and offer case management support and guidance.