Silicone Suspects: Two Calif. Sisters Sought in Suspected Injection Death

LOS ANGELES (CBS/KCAL/AP) Two sisters accused of operating an illegal cosmetics business out of their home in Sylmar are believed to be on the run after one of their patients died.

Los Angeles police are searching for Guadalupe Viveros, 53, and Alejandra Viveros, 50, after they failed to appear for a court-ordered hearing Monday in another case.

The duo was facing medical malpractice charges stemming from a previous arrest, reports CBS affiliate KCAL.

The Viveros are also suspected in the death of 22-year-old Mayra Contreras, a  patient who died one day after having silicone injected into her buttocks by one of the two sisters, says The Los Angeles Times.

According to the paper, Contreras' cause of death has not yet been determined; however, other patients have come forward and contacted police complaining that their silicone fillers, typically in the face or buttocks, made them ill.

The two suspects are believed to have fled to Mexico where Guadalupe claimed to be a physician.

Alleged victims are urged to contact detectives at (818) 834-3115.