murder scene; killing scene
Used especially in kabuki and other traditional drama for a climactic scene where a character is killed. Can also refer to a real-life murder scene, but the theatrical sense is primary.
あの歌舞伎の殺し場は本当に迫力がある。
The murder scene in that kabuki play is really powerful.
警察が殺し場を捜査している。
The police are investigating the murder scene.
Compound of 殺し (killing) + 場 (place, scene). The theatrical usage likely developed from kabuki terminology.