He chose to be drunk and driving - you shouldn't drive if you are drunk.
He got in car crash due to drunk and killed 4 people - it means he killed 4 people by using car as weapon.
He's murderer because he chose to kill 4 people by crash his car.
I have no sympathy for him and someone should shoot in his head.
Murder: the crime of unlawfully killing a person especially with malice aforethought
http://www.merriam-webster.com/dictionary/murder
murder: n. the killing of a human being by a sane person, with intent, malice aforethought (prior intention to kill the particular victim or anyone who gets in the way) and with no legal excuse or authority. In those clear circumstances, this is first degree murder. By statute, many states consider a killing in which there is torture, movement of the person before the killing (kidnapping) or the death of a police officer or prison guard, or it was as an incident to another crime (as during a hold-up or rape), to be first degree murder, with or without premeditation and with malice presumed. Second degree murder is such a killing without premeditation, as in the heat of passion or in a sudden quarrel or fight. Malice in second degree murder may be implied from a death due to the reckless lack of concern for the life of others (such as firing a gun into a crowd or bashing someone with any deadly weapon). Depending on the circumstances and state laws, murder in the first or second degree may be chargeable to a person who did not actually kill, but was involved in a crime with a partner who actually did the killing or someone died as the result of the crime. Example: In a liquor store stick-up in which the clerk shoots back at the hold-up man and kills a bystander, the armed robber can be convicted of at least second degree murder. A charge of murder requires that the victim must die within a year of the attack. Death of an unborn child who is "quick" (fetus is moving) can be murder, provided there was premeditation, malice and no legal authority. Thus, abortion is not murder under the law. Example: Jack Violent shoots his pregnant girlfriend, killing the fetus. Manslaughter, both voluntary and involuntary, lacks the element of malice aforethought.
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http://dictionary.law.com/default.aspx?selected=1303#ixzz3wiTjGzVI
Manslaughter: The unjustifiable, inexcusable, and intentional killing of a human being without deliberation, premeditation, and malice. The unlawful killing of a human being without any deliberation, which may be involuntary, in the commission of a lawful act without due caution and circumspection.
Manslaughter is a distinct crime and is not considered a lesser degree of murder. The essential distinction between the two offenses is that malice aforethought must be present for murder, whereas it must be absent for manslaughter. Manslaughter is not as serious a crime as murder. On the other hand, it is not a justifiable or excusable killing for which little or no punishment is imposed.
At*Common Law, as well as under current statutes, the offense can be either voluntary or*Involuntary Manslaughter. The main difference between the two is that voluntary manslaughter requires an intent to kill or cause serious bodily harm while involuntary manslaughter does not. Premeditation or deliberation, however, are elements of murder and not of manslaughter. Some states have abandoned the use of adjectives to describe different forms of the offense and, instead, simply divide the offense into varying degrees.
http://legal-dictionary.thefreedictionary.com/manslaughter
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