The Los Angeles County District Attorney’s Office on Dec. 17 filed four felony sexual assault charges, including three counts of rape, against a 39-year-old male defendant. The suspect is also being investigated in connection with the drug overdose deaths of two women on Nov. 13.
David Brian Pearce, who lives in an apartment in the 8600 block of Olympic Boulevard, just outside of Beverly Hills, faces two counts of forcible rape, one count of rape of an unconscious or asleep person, and one count of sexual penetration with a foreign object by force. One of the crimes allegedly occurred in August 2010, while another happened in February 2019 and two others occurred in February 2020, according to the criminal complaint against Pearce.
The sexual assault case is separate from the investigation into the overdose deaths. Both are being investigated by the Los Angeles Police Department’s West Bureau Homicide Unit.
Detective Sen Kinchla, of the West Bureau Homicide Unit, provided few details about the sexual assaults and overdose deaths, citing the ongoing investigation. He declined to identify where the crimes allegedly occurred and where Pearce allegedly met the victims. Kinchla also refused to provide any information about Pearce’s background.
The LAPD announced that Pearce was also arrested on Dec. 16 on suspicion of manslaughter in connection with the deaths of two women who suffered drug overdoses on Nov. 13 and died after being left outside separate hospitals in Culver City and West Los Angeles. The victims were identified as Cristy Giles, 24, and Hilda Marcela Cabrales Arzola, 26.
Two other men – Michael Ansbach, 47, and Brandt Osborn, 42 – were arrested on suspicion of accessory to manslaughter for the deaths of Giles and Arzola, but were released on Dec. 17 after the D.A.’s office requested more information from the LAPD. Pearce remains in custody on the four sexual assault charges.
Kinchla said investigators are in the process of collecting more information regarding Giles and Arzola’s deaths and plan to present cases against Pearce, Ansbach and Osborn to the D.A.’s office as soon as possible. He declined to state how long they have been under investigation.
Police allege that Giles and Arzola were given drugs on Nov. 13 at Pearce’s residence on Olympic Boulevard. Police did not release the type of drugs involved nor who allegedly gave them to the victims.
Giles was unconscious when she was found outside Southern California Hospital in Culver City, and she died a short time later, police said. Arzola was found unresponsive less than an hour afterward outside Kaiser Permanente West Los Angeles Medical Center, authorities added. She never regained consciousness and died on Nov. 24.
Investigators said two men wearing masks and driving a black Toyota Prius with no license plates left Giles at the hospital.
Authorities surmise that Pearce, Ansbach and Osborn may be involved in similar crimes, and there may be other victims. Anyone who believes they were a victim or has information is urged to call the West Bureau Homicide Unit at (213)382-9470.
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