(S (S (BASENP (DT The) (NN police) (NN officer)) (VP (VBZ has) (VP (VBN been) (VP (VBN identified) (PP (IN as) (NP (BASENP (DT a) (JJ 29-year-old) (NN officer)) (PP (IN in) (NP (BASENP (DT the) (NNP Territorial) (NNP Policing) (NNP Command)) (PP (IN at) (BASENP (DT the) (NNP Metropolitan) (NNP Police))))))))))) (PERIOD .))