What is the fine-grained topic of the following text: More pleasing still is how well the format adapts to the cramped confines of the locomotive – elegant tracking shots navigate the space smoothly, the discovery of the murder scene is shot from above à la Hitchcock or De Palma, and close-ups perform keyhole surgery through every pore to scrutinise souls. Only return the topic.
Use of cinematography techniques in capturing a murder scene on a train.