(S (S (BASENP (NNS Police)) (VP (ADVP (RB also)) (VP (VBP report) (SBAR (IN that) (S (S (BASENP (NNP Zinkhan)) (VP (VBD was) (VP (VBN involved) (PP (IN in) (NP (BASENP (DT an) (NN argument)) (PP (IN with) (BASENP (DT an) (JJ unidentified) (NN man)))))))) (SBAR (IN before) (S (BASENP (DT the) (NN shooting)) (VP (VBD occurred))))))))) (PERIOD .))