Family: Girlfriend was trying to check shooting suspect into San Rafael rehab center

SAN RAFAEL - A woman who was critically injured at a rehab center shooting was trying to get her boyfriend help with drug addiction when he shot her, an employee and another man, who died, her father said.

Brittney McCann's father, Richard McCann, said that instead of checking into San Rafael's Helen Vine Recovery Center, Davance Lamar Reed, 36, went on a shooting spree Monday, killing one man and seriously wounding McCann and an employee.

"How do you shoot somebody you say you love?" Richard McCann said in an interview with the San Francisco Chronicle. "She was trying to help him."

Richard McCann said his daughter and Reed got into an argument and Reed left but came back and started shooting.

Nathan Lamont Hill, 52, died at the scene, and Brittany McCann and Anthony Dominguez Mansapit, 32, were taken to a hospital, where they are in critical condition.

Brittany McCann, too, had an addiction problem, but she was able to turn her life around and works as a drug counselor in San Francisco, he said. She and Reed have a 7-year-old son.

Monday was at least the second time his daughter had tried to take her boyfriend to a rehab facility, he added. "You try to help people get better - I guess this is what happens when they don't," he said.

Reed was arrested after an unrelated pursuit in Cotati, where officers spotted a vehicle driving erratically in northbound lanes of Highway 101.

Reed has a long criminal history, including drug and weapons charges, court records show. He is being held at a Sonoma County jail on a no-bail murder warrant out of Marin County, authorities said.

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Information from: San Francisco Chronicle, http://www.sfgate.com