2012年上半年以来,几起婚内凶杀案连续见诸报端。这些案件都具有令人触目惊心的一致性:作案者大多是女婿且作案手段凶残。而更令人震惊的是,这些女婿们血刃的对象不仅是妻子,还包括岳父母甚至是妻家的全部亲属。是怎样的仇恨让这些女婿们用如此血腥的方式对待婚姻家庭?通过对近年来二十余起媒体公开报道的案件进行分析,我们发现,婚内凶杀案大多起因于婚外情、家庭矛盾及经济纠纷。而这些男性作案者半数以上的身份是“上门女婿”。令这些上门女婿 Since the first half of 2012, several murders in marriage have been reported in a row. All of these cases have an astonishing consistency: most of the perpetrators are son-in-law and the means of committing the crime are cruel. What is even more alarming is that these sons-in-law are not only wives, but also all relatives of the in-laws and even their wives. What kind of hatred has these sons-in-law treated the marriage and family in such a bloody way? Through the analysis of more than 20 media cases publicly reported in recent years, we find that most of the murder cases in a marriage are caused by extramarital affairs, family conflicts and economic disputes . More than half the identity of these men committing the crime is “home son-in-law ”. Make these home son-in-law