(a) The director, with the approval of the commission, is authorized to appoint investigators to enforce the forestry laws and regulations of this state.

(b) The investigators so appointed and any fire-fighting crews under their direction may enter upon any land for the purpose of preventing and suppressing fires and enforcing the fire and other forestry laws and regulations of this state.

(c) The investigators are authorized and empowered to make summary arrests for violations of the fire and other forestry laws and regulations of this state; and in case of such arrests the investigator shall as soon as possible deliver the arrested person or persons to the custody of the sheriff of the county wherein the offense was committed.

(d) Investigators are authorized to carry weapons in order to enforce the forestry laws and regulations of this state.