Sunday Times that forensic material which was found at the secret service flat in Pimlico, central London, and is now held in storage could provide a breakthrough for the 11-year-old case.It is also believed the spy was involved in sexual activity before his death as a semen stain was found on the bathroom floor.Gareth is believed to have died on August 16, 2010.Mr Campbell told the publication: "I felt it was improbable his body fluid could be present in a violent, non-consenting scenario. "Considering Gareth's tidiness and cleanliness, we surmised the semen was from the day of his entry into the bag."But was he alone or not?
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