(S (S (BASENP (NNP Peterson)) (VP (VBD was) (VP (VBN found) (S (ADJP (JJ guilty) (PP (IN of) (S (VP (VBG murdering) (NP (BASENP (PRPD his) (JJ pregnant) (NN wife) (NNP Laci)) (CC and) (BASENP (PRPD their) (JJ unborn) (NN child))))))))))) (PERIOD .))