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Narcotic Painkillers

Hsiu-Ying "Lisa" Tseng, shown here in an earlier court appearance, has been charged with second-degree murder in the deaths of three men in their 20s. (credit: CBS)

Rowland Heights Doctor Accused Of Murder Pleads Not Guilty

A Rowland Heights doctor accused in the prescription-drug-overdose deaths of three men pleaded not guilty on Friday.

09/28/2012