第三十五章(8/12)

                                                   “谷本清美跟S大学的学生足立纯一很亲密。经过调查，他的血型是AB，谷本清美遇害那天和他约会过，并发生了性关系。
                                                                                                                                                                谷本清美体内的AB型精液就是他的。但他在谷本清美遇害的时候不在现场。”
                                                                                                                                                                “其他两个学生呢？”
                                                                                                                                                                “为谨慎起见，也调查过，这两个人的血型分别是A和B型。那位B型血的学生，九月十日载女人兜风，发生车祸，现在还住在医院，不在现场证明十分明显。
                                                                                                                                                                A型血的学生是另一大学的，他说九月十二日十点到十一点在家看电视。
                                                                                                                                                                不在场证明虽不明显，但血型不同，而且该学生很讨女孩子喜欢。他不可能发生强奸的事。”
                                                                                                                                                                “也许。”十津川说。
                                                                                                                                                                凶犯是没有女友的孤独者，还是对年轻女子怀有特别的憎恨呢？
                                                                                                                                                                十津川把东京都的地图摊在桌子上，在发生命案的两处画了圆圈。
                                                                                                                                                                龟井等五个刑警凝视地图。
                                                                                                                                         

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