A Maryland law requiring state police to collect ballistics data on every handgun sold in the state is ineffective and expensive and should be repealed, according to a report by the Maryland State Police. Police have gathered information from more than 43,000 guns since the law was adopted in 2000, but the data have not significantly aided a single criminal investigation, according to the report. The study was compiled last year by the state police forensic sciences... (GunPolicy.org)