(S (S (BASENP (JJ Spanish) (NNS police)) (VP (VBP believe) (SBAR (S (BASENP (PRP they)) (VP (VBP are) (ADJP (JJ close) (PP (TO to) (S (VP (VBG capturing) (NP (BASENP (NNP Aribert) (NNP Heim)) (COMMA ,) (NP (BASENP (DT the) (JJ 91-year-old)) (VP (VBN known) (PP (IN as) (QT (DQL ``) (BASENP (NNP Dr.) (NNP Death)) (DQR ''))))))))))))))) (PERIOD .))