What (a) is the current status of the investigation of CAS 373/06/2016 opened at the Gelvandale Police Station in Port Elizabeth, Eastern Cape, (b) are the offences contained in the docket, (c) is the (i) rank and (ii) name of the investigating officers and (d)(i) feedback has been given to the complainant and (ii) were the dates on which feedback was given to the complainant?