2006. On a quiet street in Wembley, London, special constable Nisha Patel-Nasri, was found bleeding to death on her driveway. With no obvious enemies, police initially struggled to find any suspects. But the investigation led them through a twisted, shocking tale of lust, deceit and greed. Detectives from Scotland Yard tackled a crime born of age-old motives with 21st century technology. Using CCTV footage and mobile phone data, they pieced together a trail of evidence that blew the case wide open.

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