Police confirmed it was a murder-suicide where a father killed his family before taking his own life.

murder-suicide 是由 murder（谋杀）和 suicide（自杀）两个名词组成的复合词，中间用连字符连接。murder 指"非法故意杀害他人"，suicide 指"故意结束自己的生命"。这个复合词特指"某人先杀害他人随后自杀"的特定案件类型。