If, as a result of any investigation initiated under the provisions of sections 17a-247f and 46a-11a to 46a-11f, inclusive, a determination is made that a caregiver or other person has abused a person with intellectual disability or a person receiving services from the Department of Social Services’ Division of Autism Spectrum Disorder Services, the commissioner shall refer such information in writing to the appropriate office of the state’s attorney, which shall conduct such further investigation as may be deemed necessary and shall determine whether criminal proceedings should be initiated against such caregiver or other person, in accordance with applicable state law. If any initial investigation by the commissioner discloses evidence of an immediate and serious threat to the health or life of a person with intellectual disability or a person receiving services from the Department of Social Services’ Division of Autism Spectrum Disorder Services, said department shall immediately refer the matter to state or local police, as appropriate, who shall immediately investigate the matter. The commissioner shall notify the Commissioner of Social Services, or his or her designee, of any referral of information to the office of the state’s attorney or to state or local police concerning an abuse or neglect investigation of a person receiving services from the Department of Social Services’ Division of Autism Spectrum Disorder Services.