>> a state investigation says errors were made at the san francisco hospital where a woman disappeared last fall. 57-year-old lynn spaulding was found dead weeks later in a hospital stairwell. the report says staff ignored a doctor's order to, quote, never leave the patient unintended. spaulding was suffering from an infection and was disoriented at the time. >> developing this morning, growing concerns thousands of cases may be affected by a chemist who may have tainted the evidence. >> and woody allen calls