Luis Barcenas is a former senator, and was the treasurer of the Popular Party from 1990 to 2009.

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Mr Barcenas stepped down as treasurer in 2009 after being implicated in a separate corruption case known as the Gurtel scandal.

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Money was allegedly paid by outside firms via two former treasurers including Luis Barcenas, who stepped down in 2009 and is currently under investigation for money-laundering.

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