The woman, who died earlier this week, was from Cameron County on the edge of the Gulf of Mexico.

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Armando Villalobos, the district attorney of Cameron County, Brownsville, Texas, last year equipped his prosecutors with iPads to scan the Web during jury selection.

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Mrs Spelman said she was keen to visit the county after Prime Minister David Cameron said the government was "ready to help in any way we can".

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Authorities said Lynn Cameron is being cared for at a facility in Roane County.

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