CIAAI Helps Fire Investigators in training opportunities and available resources. Colorado has various terrains that range from mountains with thick forest, grassy plains, and desert. Fire Investigators within our great State travel throughout to help assist in fire investigations. The CIAAI is the Colorado Chapter of the International Association of Arson Investigators (IAAI), whose membership is over 12,000-members of professionals from around the world dedicated to the control of arson and the investigation of all fires. Members include fire service investigators, police, engineers, scientist, insurance professionals, and attorneys in more than 70 chapters worldwide.