SORT head among top picks for DCP Sunday 20 December 2020 File photo: Sgt Mark Hernandez, left, accompanies Police Commissioner Gary Griffith, to the Buju Banton concert at the Queen's Park Savannah, in 2019. - ROGER JACOB A police sergeant who heads one of the elite tactical units in the service is one of the front-runners in the shortlist of 12 candidates vying for three vacancies of Deputy Commissioner of Police. Sunday Newsday was able to confirm from at least three reliable sources that Sgt Mark Hernandez, who heads the Special Operations Response Team, was among the top candidates selected by a local recruitment firm hired by the Police Service Commission to identify the best officers for the job.