(A) The Investigation Division shall investigate all fires, environmental crimes and other Fire Department related incidents to determine origin, cause and circumstance which involve loss of life, serious injury, or damage to property or the environment.
(B) The personnel regularly assigned to the Investigation Division shall be commissioned as special police officers through the Board of Safety and have all rights, duties and authorities for the enforcement of this code, and state and local laws as they relate to their assignment.
(C) The County Prosecuting Attorney and City Attorney, upon request of the Bureau of Fire Prevention, shall assist the inspectors in the investigation of any fire which, in their opinion, is of suspicious origin.