The inquest heard he was in a "strop" on the day of the shootings, having been told off for not wearing his police-issue hat.

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Police said a vehicle search had revealed only a Father Christmas hat.

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"As it was, they had to take off their soldier helmet, put on their cop hat, take them to a civilian sort of police station and show evidence that these were people that were shooting at them and if there wasn't enough evidence then they were gonna be released on the street, " Spinner said.

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Thames Valley Police officers can now keep warm in the winter weather with a uniform-issue woolly hat.

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However, the Cockaynes claimed police hosed down the crime scene before forensic evidence could be taken and that Jamie's baseball hat was thrown away simply because investigators had run out of evidence bags.

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When the hour-long service came to a close, police officers again formed a guard of honour as PC Bone's coffin was carried outside, with her hat, black leather gloves and Queen's Diamond Jubilee medal on top.

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Police say he was last seen wearing dark trousers, a light shirt, light-coloured jacket and a trilby hat.

BBC: Tyne & Wear