The county attorney of any county may, under the direction of the district court, procure such assistance in any investigation or appearance or the trial of any person charged with a crime which is a felony, as he may deem necessary for the trial thereof, and such assistant or assistants shall be allowed such compensation for said services as the court shall determine, to be paid by order of the county treasurer, upon presenting to said board the certificate of the district judge before whom said cause was tried certifying to services rendered by such assistant or assistants and the amount of compensation.
Neb. Rev. Stat. §§ 23-1204.01