Martha Francis is a Detective Sergeant working in the computer crime investigation unit in Harcourt Square. Martha has been a member of An Garda Síochána for 26 years and has travelled abroad to undertake a number of courses in her specialist area. 
Brian O'Connor works as an Analytical Chemist for Wyeth. He joined the company as an Analyist working in the lab and has since been promoted to the position of Manager of the Raw Materials Lab. He did his a degree in Chemistry in Maryville College in Tennessee
Rasaq Falade is a Garda Reserve in Listowel, Co. Kerry. Originally from Nigeria, he studied in IT Tralee where he recieved a BSc Honours degree in Analytical Science. Rasaq works up to sixteen hours a week in the Reserve and can be called upon to assist when there are large
Nichola O'Higgins owns and runs a fish shop in Wicklow with her Husband, who is also a Chef. The job entails sourcing the best supply of fish, presenting it in the most attractive manner, providing advice to her customers on how to cook it, marketing their services, keeping
