Mass. Gen. Laws ch. 272, § 83: Complaint, warrant and search relative to cruelty to animals

Section 83. If complaint is made to a court or magistrate authorized to issue warrants in criminal cases that the complainant has reasonable cause to believe that the laws relative to cruelty to animals have been or are violated in any particular building or place, such court or magistrate, if satisfied that there is reasonable cause for such belief, shall issue a search warrant authorizing any sheriff, deputy sheriff, constable or police officer to search such building or place; but no such search shall be made after sunset, unless specially authorized by the magistrate upon satisfactory cause shown.