A murder in which the killer also commits suicide.(noun)
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Use "murder-suicide" in a sentence
"Eventually her husband discovered it and was so emotionally wounded and embarrassed, he committed what is known as a murder-suicide."
"RCMP push back a Pontiac Sunfire before having it removed from the scene of what police are calling a murder-suicide where a gunman allegedly shot and killed three people, injured another, and then shot himself alongside of Highway 2 about one kilometre north of Claresholm, Alta. on Thursday, December 15, 2011."
"Vigils will be held Friday and Sunday for two Mississauga high school students who died last week in what police are calling a murder-suicide, with peers of the boy who is believed to have killed his friend insisting his death be treated as a tragedy."