Delaware prosecutors are dropping drug cases amid a drug-lab investigation . The state attorney general's office said it is reviewing the case to determine whether charges should be filed against any of those involved. Local and state law enforcement are auditing more than 20,000 evidence bags .
Delaware prosecutors are dropping drug cases amid a drug-lab investigation . State police , attorney general shut the lab after evidence went missing , was altered . Local and state law enforcement are auditing more than 20,000 evidence bags .