Knowra Mass murder Mass murder Mass murder is the killing of multiple people in one incident or connected episode. It is distinguished from serial murder by the concentration of killings in time and event.
Serial murder : Serial murder is the killing of multiple people in separate events, typically with a significant interval between them. Its killings unfold across separate episodes rather than one concentrated incident.
Bath School disaster : A 1927 bombing at a Michigan school that killed 38 children and several adults. It is an early United States example of mass killing in a school setting.
Active shooter : An armed person actively engaged in killing or attempting to kill people in a populated area. This operational category guides immediate responses during some mass-murder incidents.
Mass casualty incident : An event that overwhelms or challenges the available medical resources because of the number or severity of casualties. Mass murder can trigger a mass-casualty response, including care for injured survivors.
Spree killing : Spree killing is a series of murders across multiple locations in a short period, without a cooling-off interval. It can resemble mass murder but extends across locations and connected events.
Sandy Hook Elementary School shooting : A 2012 school shooting in Newtown, Connecticut, in which 26 people were killed at the school. It illustrates a mass murder committed by one gunman in a school.
Mass shooting event : An event in which multiple people are shot, often defined by a minimum victim count and exclusions. Firearms are a frequent means of concentrated multiple-victim killing.
Psychological trauma : A lasting psychological response to events that overwhelm a person's ability to cope. Survivors, witnesses, and bereaved families may experience lasting trauma.
Genocide : Genocide is the intent to destroy, in whole or in part, a national, ethnic, racial, or religious group. It is defined by intent against a protected group, not by a single-incident pattern.
Christchurch mosque shootings : The 2019 terrorist attacks on two mosques in Christchurch, New Zealand, that killed 51 people. The attacks joined mass murder with explicitly far-right terrorist ideology.
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