血字研究揭示了人类情感与生理的紧密联系，深刻影响心理学发展。憨豆特工2电影免费观看完整版

　　A corpse is found in an empty house with the word 'Rache' scrawled on the wall next to it. The police arrest a suspect but then a similar murder occurs, proving that they have the wrong man. In exposing the real killer Holmes uncovers a feud stretching back to Salt Lake City and the Morman community.