noun
murder-arson; arson resulting in death
Legal and news term for a crime where arson causes death. Often used in compound phrases like 放火殺人事件.
警察は放火殺人の容疑で男を逮捕した。
The police arrested a man on suspicion of murder-arson.
昨夜の放火殺人
Three people died in last night's arson-murder incident.