(S (S (S (NP (BASENP (NN None)) (PP (IN of) (BASENP (DT the) (NNS killings)))) (VP (VBD had) (VP (VBN been) (VP (VBN investigated) (ADVP (RB satisfactorily)))))) (COMMA ,) (S (BASENP (NNP Colville)) (VP (VBD said)))) (PERIOD .))