Homicide in the context of Richard Montague

Capital punishment, also known as the death penalty and formerly called judicial homicide, is the state-sanctioned killing of a person as punishment for actual or supposed misconduct. The sentence ordering that an offender be punished in such a manner is called a death sentence, and the act of carrying out the sentence is an execution. A prisoner who has been sentenced to death and awaits execution is condemned and is commonly referred to as being "on death row". Etymologically, the term capital (lit. 'of the head', derived via the Latin capitalis from caput, "head") refers to execution by beheading, but executions are carried out by many methods.

Crimes that are punishable by death are known as capital crimes, capital offences, or capital felonies, and vary depending on the jurisdiction, but commonly include serious crimes against a person, such as murder, assassination, mass murder, child murder, aggravated rape, terrorism, aircraft hijacking, war crimes, crimes against humanity, and genocide, along with crimes against the state such as attempting to overthrow government, treason, espionage, sedition, and piracy. Also, in some cases, acts of recidivism, aggravated robbery, and kidnapping, in addition to drug trafficking, drug dealing, and drug possession, are capital crimes or enhancements. However, states have also imposed punitive executions, for an expansive range of conduct, for political or religious beliefs and practices, for a status beyond one's control, or without employing any significant due process procedures. Judicial murder is the intentional and premeditated killing of an innocent person by means of capital punishment. For example, the executions following the show trials in the Soviet Union during the Great Purge of 1936–1938 were an instrument of political repression.

The Solonian constitution was created by Solon in the early 6th century BC. At the time of Solon, the Athenian State was almost falling to pieces in consequence of dissensions between the parties into which the population was divided. Solon wanted to revise or abolish the older laws of Draco. He promulgated a code of laws embracing the whole of public and private life, the salutary effects of which lasted long after the end of his constitution.

Under Solon's reforms, all debts were abolished and all debt-slaves were freed. The status of the hectemoroi (the "one-sixth workers"), who farmed in an early form of serfdom, was also abolished. These reforms were known as the Seisachtheia. Solon's constitution reduced the power of the old aristocracy by making wealth rather than birth a criterion for holding political positions, a system called timokratia (timocracy). Citizens were also divided based on their land production: pentacosiomedimnoi, hippeis, zeugitae, and thetes. The lower assembly was given the right to hear appeals, and Solon also created the higher assembly. Both of these were meant to decrease the power of the Areopagus, the aristocratic council. Despite the division between classes and citizens, Solon felt these classes were connected as one. Solon felt that a disservice against even just one member of the society would indirectly be a disservice against every member of the society. The only parts of Draconian constitution that Solon kept were the laws regarding homicide. The constitution was written as poetry, and as soon as it was introduced, Solon went into self-imposed exile for ten years so he would not be tempted to take power as a tyrant.

Draco (fl. c. 625 – c. 600 BC) was the first legislator of Athens in Ancient Greece, according to Athenian tradition. He replaced the system of oral law and blood feud by the Draconian constitution, a written code to be enforced only by a court of law. His laws were supposed to have been very harsh, establishing the death penalty for most offenses. Tradition held that all of his laws were repealed by Solon, save for those on homicide. An inscription from 409/8 BC contains part of the current law and refers to it as "the law of Draco about homicide". Nothing is known about the specifics of other laws established by Draco.

According to some scholars, Draco may have been a fictional figure, entirely or in part. Biographical information about him is almost entirely lacking; he was held to have established his legal code in the year 621/620 BC. Since the 18th century, the adjective draconian (δρακόντειος, drakónteios) refers to similarly unforgiving rules or laws.
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Murder is the unlawful killing of another human without justification or valid excuse committed with the necessary intention as defined by the law in a specific jurisdiction. This state of mind may, depending upon the jurisdiction, distinguish murder from other forms of unlawful homicide, such as manslaughter. Manslaughter is killing committed in the absence of malice, such as in the case of voluntary manslaughter brought about by reasonable provocation, or diminished capacity. Involuntary manslaughter, where it is recognized, is a killing that lacks all but the most attenuated guilty intent, recklessness.

Most societies consider murder to be an extremely serious crime, and thus believe that a person convicted of murder should receive harsh punishments for the purposes of retribution, deterrence, rehabilitation, or incapacitation. In most countries, a person convicted of murder generally receives a long-term prison sentence, a life sentence, or capital punishment. Some countries, states, and territories, including the United Kingdom and other countries with English-derived common law, mandate life imprisonment for murder, whether it is subdivided into first-degree murder or otherwise.

Pedicide, also known as child murder, child manslaughter or child homicide, is the homicide of an individual who is a minor. In many legal jurisdictions, it is considered an aggravated form of homicide. The age of the victim may constitute an aggravated factor for homicide offenses, or child murder may be a stand-alone criminal offense.

Manslaughter is a term in common law for homicide considered less culpable than murder. The distinction between murder and manslaughter is sometimes said to have first been made by the ancient Athenian lawmaker Draco in the 7th century BC.

The definition of manslaughter differs among legal jurisdictions.

Greater Harlem, in the northern section of the New York City borough of Manhattan, has historically had high poverty and crime rates. Crime in Harlem is primarily related to illicit activities such as theft, robbery, drug trafficking and prostitution. Criminal organizations such as street gangs are responsible for a significant portion of crime, particularly violent crime. The leading cause of death among young black males in Harlem is homicide. According to a survey published in 2013 by Union Settlement Association, residents of East Harlem perceive crime as their biggest single concern. Greater Harlem has one of the highest violent crime rates in New York City despite significant declines from historic highs.

In law, medicine, and statistics, cause of death is an official determination of the conditions resulting in a human's death, which may be recorded on a death certificate. A cause of death is determined by a medical examiner. In rare cases, an autopsy needs to be performed by a pathologist. The cause of death is a specific disease or injury, in contrast to the manner of death, which is a small number of categories like "natural", "accident", "suicide", and "homicide", each with different legal implications.

International Classification of Disease (ICD) codes can be used to record manner and cause of death in a systematic way that makes it easy to compile statistics and more feasible to compare events across jurisdictions.

A detective is an investigator, usually a member of a law enforcement agency. They often collect information to solve crimes by talking to witnesses and informants, collecting physical evidence, or searching records in databases. This leads them to arrest criminals and enable them to be convicted in court. A detective may work for the police or privately.

An acid attack, also called acid throwing, vitriol attack, or vitriolage, is a form of violent assault involving the act of throwing acid or a similarly corrosive substance onto the body of another "with the intention to disfigure, maim, torture, or kill". Perpetrators of these attacks throw corrosive liquids at their victims, usually at their faces, burning them, and damaging skin tissue, often exposing and sometimes dissolving the bones. Acid attacks can lead to partial or complete blindness.

The most common types of acid used in these attacks are sulfuric and nitric acid. Hydrochloric acid is sometimes used but is much less damaging. Aqueous solutions of strongly alkaline materials, such as caustic soda (sodium hydroxide) or ammonia, are used as well, particularly in areas where strong acids are controlled substances.

The following article is a list of cities sorted by homicide rates in the world, excluding active war zones. The homicide rate of a city is an imprecise tool for comparison, as the population within city borders may not best represent an urban or metropolitan area with varying rates in different areas.

An extrajudicial killing (also known as an extrajudicial execution or an extralegal killing) is the deliberate killing of a person without the lawful authority granted by a judicial proceeding. It typically refers to government authorities, whether lawfully or unlawfully, targeting specific people for death, which in authoritarian regimes often involves political, trade union, dissident, religious and social figures. The term is typically used in situations that imply the human rights of the victims have been violated. Deaths caused by legal police actions (such as self defense) or legal warfighting on a battlefield are generally not included, even though military and police forces are often used for killings seen by critics as illegitimate. The label "extrajudicial killing" has also been applied to organized, lethal enforcement of extralegal social norms by non-government actors, including lynchings and honor killings.

Hate crime in criminal law involves a standard offence (such as an assault, murder) with an added element of bias against a victim (individual or group of individuals) because of their physical appearance or perceived membership of a certain social group. Examples of such groups can include, and are almost exclusively limited to race, ethnicity, disability, language, nationality, physical appearance, political views, political affiliation, age, religion, sex, gender identity, or sexual orientation.

Hate crime should be distinguished from hate violence, or hate incidents, which might not necessarily be criminalised Incidents may involve physical assault, homicide, damage to property, bullying, harassment, verbal abuse (which includes slurs) or insults, mate crime, or offensive graffiti or letters (hate mail). Non-criminal actions that are motivated by these reasons are often called "bias incidents".