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The man claiming to be the biological father of late actress Brittany Murphy is challenging the results of her autopsy in a lawsuit against the Los Angeles County Coroner's Office.
According to Entertainment Tonight, Angelo Bertolotti claims "testing/toxicology was incomplete and the death of Brittany Anne Murphy Monjak was never fully investigated."
Bertolotti, who is also suing the Los Angeles Police Department, has requested samples of his daughter's hair for testing.
"I'm not going to rest until my daughter's untimely demise is properly investigated, which hasn't happened so far. Her case deserves more than a superficial glance," Bertolotti said in a press release quoted by The Hollywood Reporter.
The coroner's office ruled that the 32-year-old actress died in December 2009 of pneumonia, anemia and prescription drug intoxication.
Murphy's husband, Simon Monjack, died five months after his wife. His autopsy showed the causes to be pneumonia and anemia.
Bertolotti believes that tests of Murphy's hair may show evidence that toxic mold in her Hollywood Hills home could have caused her death, according to The Hollywood Reporter.
His suit comes a month after Murphy's mother, Sharon Murphy, filed a lawsuit against the law firm that represented her in a case involving the actress' home. Sharon claims the law firm should have advised her against signing a settlement with the builders of the house when they should have known there was toxic mold in the home.