If, as a result of any investigation initiated under the provisions of sections 17b-450 to 17b-461, inclusive, a determination is made that a caregiver or other person has abused, neglected, exploited or abandoned an elderly person, such information shall be referred in writing to the Chief State’s Attorney or the Chief State’s Attorney’s designee who shall conduct such further investigation, if any, as deemed necessary and shall determine whether criminal proceedings should be initiated against such caregiver or other person, in accordance with applicable state law.