Which of the following professional associations provides training for fire investigation?

The correct choice is the International Association of Arson Investigators, as this organization specifically focuses on training and resources for fire investigation professionals. Their mission includes enhancing the capability of fire investigators through education, training, and the sharing of information regarding arson and fire investigation.

The other associations, while they have vital roles in the fire service and safety sectors, focus on different aspects. The National Fire Protection Association (NFPA) primarily develops codes and standards related to fire safety and prevention rather than direct training in fire investigation. The International Association of Fire Fighters (IAFF) represents the interests of firefighters and focuses more on labor relations, benefits, and safety training rather than investigative training. The Society of Fire Protection Engineers (SFPE) is dedicated to advancing the field of fire protection engineering and does not specialize in fire investigation training either.

Thus, the International Association of Arson Investigators is uniquely suited to provide training specifically tailored to fire investigation practices, making it the correct choice.