(S (S (BASENP (NNS Police)) (VP (VBP have) (VP (VP (VBN identified) (BASENP (DT the) (NN gunman))) (PP (IN as) (NP (BASENP (NNP Christopher) (NNP Wayne) (NNP Hudson)) (COMMA ,) (ADJP (JJ aged) (BASENP (NN 29)))))))) (PERIOD .))