The gunman, who has not been identified, appeared to be reloading his gun when three officers arrived at the scene.
The victim's names and conditions have not been released.
"There is zero information to indicate that race played a factor in this bad and horrific crime", she said.
Demetrius Griffin says he was attending his friend's birthday celebration on Sunday and noticed the man silently watching the gathering for more than a half-hour. Most the victims were black, though one was Hispanic, according to the Daily Mail.
Zimmerman said that a helicopter from Sand Diego police department arrived first at the scene.
"It is apparent that Selis wanted his ex-girlfriend to listen in as he carried out his rampage", Zimmerman noted.
During an 11 a.m. press conference regarding the mass shooting at La Jolla Crossroads apartment complex, SDPD chief Shelley Zimmerman updated the public regarding the ongoing investigation. Griffin assumed his friend, who was always welcoming, invited the man to join the fun.
"Our hearts go out to all the victims, their families and anyone who witnessed this tragic event", the chief said. One of the women later died. The victim with the broken arm was injured when he fell trying to flee from the pool area, reports CBS News.
Of the eight victims transported to area hospitals, four black females, one of whom is now deceased, two black males and one Latino received treatment for gunshot wounds.
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It already seems like a lifetime ago where they finished 30th overall and served as a punching bag for the heavyweights. For the first time this series, the game entered the third period as a 0-0 draw. "It's an empty feeling", he said.
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Nashville took a 1-0 lead in the first period when James Neal banged in a rebound off a Ryan Ellis slapshot. Tarasenko made it 1-1 with a power-play goal with 19.4 seconds remaining in the opening period.
He says Selis told the woman he had shot two people, the police were there and then referenced "shooting it out".
San Diego Fire Chief Brian Fennessy later identified the driver as a security guard for the apartment building.
Zimmerman said Selis called his former girlfriend while he was gunning people down and kept her on the phone as the shooting continued.
Police shoot and kill a suspect who opened fire during a pool party at an apartment complex in San Diego, California.
"Based on the information we have gathered so far.it is very clear that Selis was very despondent over the break up of his girlfriend", said Mrs Zimmerman.
Phillips says he had been at the birthday party for just 20 minutes when shots rang out.
Galiendes, a student at UC San Diego, said he has lived in the complex since September.
According to USA media, Selis filed for bankruptcy in 2015.
San Diego Mayor Kevin Faulconer also thanked the medical teams working "around the clock" to give the victims the best possible care, the security forces and San Diegans as a whole "for their outpouring support, coming together as one community".