Legal questions mount amid San Francisco rape kit DNA case channel3000.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from channel3000.com Daily Mail and Mail on Sunday newspapers.
Every day, DNA is routed through local, state and federal databases to identify suspected criminals. A technological breakthrough that's allowed law enforcement to solve unprecedented numbers of crimes, its use has simultaneously garnered praise along with major privacy concerns.