The chemical Luminol is used at crime scenes because it fluoresces in the presence of blood.

化学物质鲁米诺应用在犯罪现场中，因为它在血液中发荧光。

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The show featured Souza in a studio, railing against rampant crime, punctuated with often exclusive footage of arrests, crime scenes and drug seizures.

该节目以演播室里的主持人为中心，常常谴责犯罪分子的猖狂行径，并不时伴以逮捕情形，犯罪现场，和缴获毒品场景的独家影像片段。

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He was invited to the crime scenes; people called him to come and clean the visual remains of a loved one they had lost.

他好歹是别个请到现场的；人家请他过去，清理他们所失挚爱最后的痕迹。

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National police chief Jozsef Bencze has told reporters that evidence seized during house searches and at different crime scenes link the suspects to acts of deadly violence within the past year.

VOA: standard.2009.08.22

She said the publication of the police scenes-of-crime shots in the newspaper were not justified by any public interest, as had been argued by his defence, and were motivated by "sensationalism and profit".

BBC: Michaela McAreavey: Editor convicted over photos

He claimed his ex-wife from the 1970s asked someone to plant DNA samples she had collected while they were married at dozens of crime scenes in the 1990s - so unlikely was it that the prosecution reduced by half their estimate of how long the trial would take.

BBC: Night Stalker case: Delroy Grant's reign of terror ends

An outstanding case in point is the series of stark black-and-white photographs of criminals and crime scenes taken by Weegee in New York during the 1930s and 1940s.

ECONOMIST: Most-wanted photography