In May, Rudy Chapa, the marketing man most identified with Nike's endorsement strategy, left the firm.

ECONOMIST: Sportswear

"We have not been able to take a formal statement from Chapa as she is receiving medical care, " Wright said.

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The second, Mary Kristene Chapa, 18, was in serious condition at a local hospital with a gunshot wound to the head.

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At the Cleveland Clinic, doctors perform 50% fewer invasive procedures, thanks to the testing advances, said Jeff Chapa, section head of obstetrics and maternal-fetal medicine.

WSJ: New Questions on Cutting-Edge Prenatal Tests

"We are a very close-knit community and when news of the shooting spread through our town, everyone wanted to help, " said Mary Lankford, who taught Chapa at Sinton High School.

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