Detectives from 31 police agencies packed a seminar this week at the Washington Criminal Justice Training Center in Burien to learn how ballistics testing can reveal links between guns in their evidence lockers to crimes that may have been committed in their jurisdiction or across the country. "Is the gun from your murder case hiding in the evidence vault of a neighboring police department?" firearms expert Pete Gagliardi asked the group of detectives and personnel... (GunPolicy.org)