Hi, The 'would ' shows that the speaker is making a deduction, about which he is not completely sure. eg (If my thinking is correct) the odor would have thrown them off. We also see his lack of certainty in his use of the word 'maybe'.
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tinanam0102A scene from a TV series. Two
tinanam0102A scene from a TV series. Two scent dogs were following trails to a dead end. They stopped and kept running in circle. Not far from the the dogs stood was a dumpster, where there was a tiny blood inside. But t