Chief of secret service.
Section 28
SEC. 28. Chief of secret service.— There shall be a chief of the secret service who shall, under the chief of police, have charge of the detective work of the department and of the detective force of the city, and shall perform such other duties as may be assigned to him by the chief of police or prescribe by law or ordinance. This chief of secret service shall receive a salary of not exceeding one thousand eight hundred pesos per annum.