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SOUTH PASADENA, Calif. — A woman fatally shot by police conducting a welfare check call in California was identified Friday as movie and television actress Vanessa Marquez, according to KTLA.

Marquez, best known for her roles in “Stand and Deliver” and “ER,” was shot Thursday after police say she pointed what appeared to be a handgun at officers who were responding to the residence in South Pasadena.

The weapon turned out to be a BB gun, which was described as a replica semiautomatic handgun.

Los Angeles Sheriff’s Department deputy Viera confirmed Friday that Marquez, 49, was the woman shot by authorities.

The incident began about noon and took place over nearly two hours as South Pasadena police officers attempted to assist Marquez with a possible medical condition, the sheriff’s department said.

While speaking with her, officers noticed she was possibly suffering from mental health issues and had become uncooperative.

About 1:45 p.m., investigators say Marquez armed herself and pointed the weapon at police and an officer involved shooting occurred.

Marquez was taken to a hospital, where she was pronounced dead.

No officers were injured in the incident.

The BB gun was recovered at the scene.

Marquez’s role in the 1988 drama “Stand and Deliver” was her first big break in acting. She also appeared in “Blood In, Blood Out” and had a recurring role in the hit television show “ER.”