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A murder–suicide is an act in which an individual kills one or more other persons before, or at the same time as, killing oneself. The combination of murder and suicide can take various forms, including: * Murder which entails suicide, such as driving a car with one or more passenger(s) off a bridge or suicide bombing; * Suicide after murder to escape punishment; * Suicide after murder as a form of self-punishment due to guilt; * Joint suicide in the form of killing the other with consent, and then killing oneself; * Murder before suicide with the intent of preventing future pain and suffering of others including family members and oneself, such as a parent killing their children before ending their own life; * Murder followed by suicide by a mentally unstable person; * Murder to prevent an individual from causing harm to others, leading to suicide. Many spree killings have ended in suicide, such as in many school shootings. Some cases of religiously-motivated suicides may also involve murder. == Homicide and suicide == According to the psychiatrist Karl A. Menninger, murder and suicide are interchangeable acts – suicide sometimes forestalling murder, and vice versa.〔(Karl Menninger quote )〕 Following Freudian logic, severe repression of natural instincts due to early childhood abuse, may lead the death instinct to emerge in a twisted form. The cultural anthropologist Ernest Becker, whose theories on the human notion of death is strongly influenced by Freud, views the fear of death as a universal phenomenon, a fear repressed in the unconscious and of which people are largely unaware. This fear can move individuals toward heroism, but also to scapegoating. Failed attempts to achieve heroism, according to this view, can lead to mental illness and/or antisocial behavior. In a research specifically related to murder–suicide, Milton Rosenbaum (1990) discovered the murder–suicide perpetrators to be vastly different from perpetrators of homicide alone. Whereas murderer–suicides were found to be highly depressed and overwhelmingly men, other murderers were not generally depressed and more likely to include women in their ranks.〔 In the U.S. the overwhelming number of cases are male-on-female. Around one-third of partner homicides end in the suicide of the perpetrator. From national and international data and interviews with family members of murder–suicide perpetrators, the following are the key predictors of murder–suicide: a history of substance abuse, the male partner some years older than the female partner, a break-up or pending break-up, a history of battering, and suicidal contemplation by the perpetrator. Though there is no national tracking system for murder–suicides in the United States, medical studies into the phenomenon estimate between 1,000 to 1,500 deaths per year in the US,〔(American Roulette: Murder–Suicide in the United States. Violence Policy Center )〕 with the majority occurring between spouses or intimate partners and the vast majority of the perpetrators being male. Depression, marital or/and financial problems, and other problems are generally motivators. Homicides which are later followed by suicide often make headline news; national statistics indicate 5% of all homicides are followed by suicide. The U.S. Department of Health and Human Services, Centers for Disease Control reports〔(CDC Suicide, Facts At A Glance, 2012 )〕 that an estimated 1 million adults reported attempting suicide in 2011, and there were over 38,000 completed suicides in the same period.〔(National Vital Statistics Reports Volume 61, Number 6 October 10, 2012 )〕 The estimate of 624 murder-suicide events per year,〔(Violence Policy Center, American Roulette, Murder-Suicide in The United States, Fourth Edition )〕 indicates that murders are only associated with suicidal events (attempts and completions) approximately 0.06% of the time. In 18th-century Denmark, people wishing to commit suicide would sometimes commit murder in order to receive the death penalty.〔 They believed murder followed by repentance would allow them to end their life while avoiding damnation.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Murder–suicide」の詳細全文を読む スポンサード リンク
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