100. An inquiry concerning the point of origin, probable causes or circumstances of a fire or concerning any connection with other fires may be initiated if the fire investigation commissioner is of the opinion, following his or her investigation, that an inquiry would be expedient and would not impede the progress of any current police investigation.
To determine whether an inquiry would be expedient, the fire investigation commissioner shall consider whether it is necessary to hear witnesses, particularly
(1) to obtain information that may be of assistance in determining the point of origin, probable causes or circumstances of the fire or establishing any connection with other fires ;
(2) to inform the public concerning those matters ;
(3) to enable the fire investigation commissioner to make recommendations aimed at ensuring better protection of persons and property against fires.