Only Sacramento Escorts Info.

From November 1998 to January 1999, the bodies of four young women were found dead and one severely beaten within a few miles of one another in the industrial area around Pittsburg. One of the slain women had a history of prostitution, and another known prostitute was found badly beaten in a portable toilet in Bay Point.
…
Frederick, who grew up in Antioch, had a history of drug problems. The area where her body was found had been known as a place where prostitutes and their customers have sex, which led police to think at the time she may have been working as a prostitute. She had no arrests for prostitution.
…
On Jan. 6, 1999, the body of Valerie Dawn “China” Schultz, 27, who had a history of prostitution, was discovered in a ditch along a barren stretch of Willow Pass Road near the Pittsburg-Bay Point border.

See the full article from “San Jose Mercury News”