Dr Shepherd had assumed the woman, Felicity, was around 50, but was stunned to find she was actually 35, and the daughter of a family of upmarket jewellers who owned businesses in Manhattan and Belgravia.

The first pathologist who worked on Williams discovered GHB in his liver, however this is a naturally occurring chemical in dead bodies and Dr Shepherd explained that this could have been explained by post-mortem changes. This is my second book, and despite the morbid subject nature of the books they are just fascinating.Terrifying horror film is confirmed for a sequel with lead actress returning after viewers labelled first movie as a 'masterpiece' and 'one of the best of all time' Channing Tatum and Zoe Kravitz are 'engaged'... after Batman actress is spotted with massive diamond on her ring finger at Halloween party

The girl's boyfriend was an A-Level science student, so officers assumed that he could have known about the carbon monoxide emitting from the BBQ and had intentionally left it in there while he escaped poisoning. Immediately the pathologist suspected carbon monoxide poisoning produced by the BBQ, but officers were sceptical - convinced that her boyfriend Jay, who was nowhere to be found, would have died beside her.

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But it wasn't the cancer that killed Felicity, and the toxicology report revealed that she had an 'astonishing' blood alcohol level of 540 milligrams of alcohol per 100 millilitres of blood. Dr Shepherd began to find the appearance of Clare's body suspicious, noticing that her shoes didn't have any mud on them when she died, speculating that her body could have been moved after the death. Biochemistry results revealed that Ferguson had died when his liver function became fatally impaired by consuming fructose as he was being weaned on to solid foods. In 2013, Scotland Yard said the 31-year-old, a brilliant mathematician who worked for the intelligence agency GCHQ, probably died by accident after getting into the bag on his own.