March 29, 2010 9:22 am SFPD Drug Lab Scandal Deepens Prosecutors say more than 1,000 drug cases could be dropped as a result of the ongoing tainted evidence case at the SFPD crime lab. US & World Videos 2:42 Forecast: Warm day, Saturday rain 3:05 Downtown First Thursdays offers new hope to struggling SF merchants 1:02 Crews knock down 2-alarm structure fire in SF's Nob Hill 1:11 24-hour online fundraiser underway for Peninsula nonprofits 1:43 Kari's forecast: Warm day, Saturday rain