RSA 154:7-a Fire Investigations.

I. In this section:
(a) "Cause and origin investigation" means the investigation necessary to determine the physical behavior of the fire, including the points or areas where the fire began, and the specific acts or conditions that caused the fire to occur.
(b) "Criminal investigation" means the investigation necessary to determine whether a violation of the criminal code, including the crime of arson, has occurred, and the identification and prosecution of any perpetrator.
II. The fire officer in charge or designee shall investigate the cause and origin of fires, including the taking of evidence relative to the cause and origin of fires, except as enumerated elsewhere by statute.
III. (a) Upon determination by the fire officer in charge or designee that a fi