Vanessa Marquez was prominently known for her recurring role on the first three seasons of ER as nurse Wendy Goldman.
A former "ER" actress was killed by police officers who were conducting a welfare check on her.
According to reports, police in South Pasadena, California, were performing a welfare check on Marquez when she allegedly "threatened them with a realistic-looking BB gun", causing them to fatally shoot her.
She reportedly spoke with an LA County mental health clinician and officers for around 90 minutes. Police thought the woman had a semi-automatic handgun.
Marquez was hit at least once in the torso, but was pronounced dead once she arrived at the hospital, authorities confirmed.
The Los Angeles Times recalled in 2010 that Marquez's character in Stand and Deliver, a student who struggled with her grades because she was forced to work at her father's restaurant, was the only teenage character in the film who was based on one of the real-life Escalante's students. Mendoza further described Marquez as appearing to be "gravely disabled". "For being a goddamn victim and expecting protection", she further wrote. She appeared in 27 episodes in total.
The actress made national news last October when she took to Twitter and accused her ER co-star, George Clooney, of helping to blacklist her from the drama series in 1995. "I had no idea Vanessa was blacklisted", Clooney told TheWrap. I was an actor and only an actor.
"This looks bad", one unidentified woman said at the scene.
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Then, Mendoza said, she brandished a gun at the officers.
"I guess it shows that you never know what's going on with your neighbours behind closed doors", he said.
Marquez posted extensively on Facebook and elsewhere about her health problems, saying she was terminally ill and had seizures and celiac disease, an autoimmune disorder that can damage the small intestine if gluten is ingested.
She was also a subject in the second episode of Intervention in 2005, in which she admitted she was near bankruptcy and was addicted to shopping.
Officials were summoned to her home Thursday after her landlord reported that he was concerned for her wellbeing.
Clooney was forced to release a statement denying he had any involvement in Marquez's waning career.
"She told me she wouldn't mind passing away at home and haunting the handsome building she lived in as she was in love with where she lived".