City, school and federal authorities yesterday announced a gun buyback program with a new twist. City and Pittsburgh school police, along with the federal Bureau of Alcohol, Tobacco and Firearms, unveiled a program that will pay cash for anonymous tips leading to confiscation of illegal guns. Assistant Police Chief William Mullen said the new "Gun Stoppers" program will pay tipsters $25 to $100 for information on individuals carrying illegal guns. Those are guns... (GunPolicy.org)