article_snippet: Investigators say a gunbattle apparently broke out as Pierce, a human resources employee at Kaiser Permanente, was heading home after picking up her kids from school.
article_snippet: A contractor working at Pierce's home told SFGate that A contractor working at Pierce's home was inside working when A contractor working at Pierce's home heard the gunfire.
article_snippet: A contractor working at Pierce's home said A contractor working at Pierce's home saw Pierce's children running around the side of her home in Oakland and then hide.
article_snippet: A contractor working at Pierce's home said A contractor working at Pierce's home grabbed Witnesses and tried to shield Witnesses from seeing Witnesses mom's body. '
article_snippet: That's sickening,' A contractor working at Pierce's home said. '
article_snippet: Pierce, who had plans to marry, also leaves behind a one-year-old son who was not there during the shootout.