City officials answer questions over return of Chief Mike Markle Questions answered over return of Chief Mike Markle By: Eran Hami and last updated 2021-07-20 20:08:23-04 CORPUS CHRISTI, Texas â It was announced Monday that former police chief Mike Markle would be coming out of retirement to assume his previous role. We spoke to the mayor and city manager to get a better understanding behind the search for a new police chief. Both Mayor Paulette Guajardo and city manager Peter Zanoni said the reaction to Markleâs return has been all positive. Neither of them have heard any opposition to the rehire.