Police responded to a call from a woman at a nearby mini mart before the shooting.

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Wal-Mart didn't respond to a call seeking comment on Wednesday.

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Wal-Mart Chief Executive Lee Scott reportedly told analysts on a conference call the company did not see any evidence that consumer spending will slow from current levels.

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That Thursday, two dozen essential personnel from Valero's Gulf Coast refineries flew in to ride out the storm at "Hotel Valero"--a big room next to the call center outfitted with 20 queen-sized air mattresses and sundry items assembled from a trip to Wal-Mart.

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That Thursday, two dozen essential personnel from Valero's Gulf Coast refineries flew in to ride out the storm at "Hotel Valero"--a big room next to the call center outfitted with 20 queen-sized air mattresses and sundry items assembled from a trip to Wal-Mart (nyse: WMT - news - people ).

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