Henry K. Lee, Chronicle Staff Writer
The San Francisco Chronicle
Copyright 2006 The Chronicle Publishing Co.
All Rights Reserved
Rich Vierra remembers being there before, at 87th Avenue and Holly Street, one of Oakland's worst drug dealing corners, to make an illicit purchase.
On Thursday, Vierra returned with his Oakland Police Department badge and an arrest warrant for Anthony Mustard, 18.
30 suspected Calif. dealers arrested in crackdown on drug hot spots