由于性变态杀人案件的现场与一些常态人的性犯罪杀人现场、常态人杀人案件伪装现场和精神病患者杀人案件现场有相似之处,给侦查人员把握案件性质增加了难度。对案件认识应注意的几个问题与报复和奸情杀人案件现场相比较报复和奸情杀人案件现场的尸体损伤有时候也存在手段极其残忍的情景,如被害人尸体的乳房和阴部被切割掉等。但是报复和奸情杀人案件的案犯这一行为不是为了性满足,只是因为对被害人恨到了极端或者为了伪装成性变态杀人现场而为之。这两类杀人案件有一个共性特点,就是案犯与被害人之间有明显的因果关系,并且关系密切的占多数。报复杀人案件中,虽然也有与被害人之间互不熟悉的,如被雇佣犯罪,但是雇主与被害人之间却是相互熟悉的。况且报复杀人案件的被害者没有性别和年龄之分。而性变态杀人案件的被害人大多为女性并且多是年轻女性。与强奸杀人案件现场相比较强奸杀人案的犯罪分子施用暴力威逼、伤害的目的是为了达到迫使对方就范而与之性交, Due to the scene of sexual abnormal killings and the crimes of sexual crimes committed by some normal people, there are similarities between the scene of camouflage cases of normal human killings and the scenes of murder cases of mentally ill patients, which makes it more difficult for investigators to grasp the nature of the cases. Several issues to be aware of in the case of retaliation and adultery killings Cases of retaliation and adultery Homicide damage at the scene of the murder There are also occasional brutal scenarios where the body of the victim’s breasts and genitals are cut off, etc. . However, the act of retaliation and accomplices in the case of murderers is not for sexual gratification, but rather for hating the victim to extremes or for disguise as a perverted murderer. There is a common feature between these two types of killings, that is, there is a clear causal link between the perpetrators and the victims and they are closely related to each other. In cases of retaliation and murder, the employer and the victim are familiar with each other even though they are not acquainted with the victim and are employed as criminals. Moreover, the victims of retaliation kill no gender and age points. The victims of sexual abnormal killings are mostly female and mostly young women. Criminals who commit rape and homicide compared to rape and murder cases apply violence and intimidation, the purpose of which is to bring about sexual intercourse that compels the opposite party to take the offensive,