（从警方侦查案件角度铺叙的）疑案小说（电影、电视节目等）a type of novel or drama about how the police investigate and solve a crime, or a novel, film, or television programme of this type
The film is a mixture of police procedural and psychological thriller. 本片是一部疑案片和心理惊悚片的混合体。
It is a crime novel - a police procedural to be more accurate. 这是一部犯罪小说，更准确地说，是一部疑案小说。