noun
Refers to a person who commits a series of murders over time. Often used in news and crime contexts.
警察は連続殺人犯を逮捕した。
The police arrested the serial killer.
殺人犯 is a general term for a murderer, while 連続殺人犯 specifically refers to a serial killer.
Compound of 連続 (consecutive) + 殺人 (murder) + 犯 (criminal).