(S (S (BASENP (PRP He)) (VP (ADVP (RB also)) (VP (VBD reported) (SBAR (IN that) (S (PP (IN across) (BASENP (NNP Mexico))) (COMMA ,) (S (NP (BASENP (NN 550) (NNS cases)) (PP (IN of) (BASENP (JJ illegal) (NN tapping)))) (VP (VBD had) (VP (VBN occurred))))))))) (PERIOD .))