(S (S (S (NP (BASENP (DT The) (NNS men)) (PRN (COMMA ,) (BASENP (DT all) (NNS civilians)) (COMMA ,))) (VP (VP (VBD were) (VP (VBN stabbed) (ADVP (RB repeatedly)))) (COMMA ,) (VP (VP (VP (VBD had) (BASENP (NN marks))) (PP (IN on) (BASENP (PRPD their) (NNS wrists)))) (SBAR (WHNP (WDT which)) (S (VP (VBZ suggests) (SBAR (S (BASENP (PRPD their) (NNS wrists)) (VP (VBD were) (VP (VBN tied) (ADVP (RB together)))))))))))) (CONJP (COMMA ,) (CC and)) (S (NP (BASENP (DT all)) (PP (IN of) (BASENP (DT the) (NNS victims)))) (VP (VBD had) (NP (BASENP (VBN gunshot) (NNS wounds)) (PP (TO to) (BASENP (PRPD their) (NNS heads))))))) (PERIOD .))