COLUMBIA — The gun that was used to shoot and kill Columbia Police officer Molly Bowden in 2005 has been traced to an unlicensed firearms dealer in Iowa, Columbia police said Friday. The Bureau of Alcohol, Tobacco, Firearms and Explosives traced the Smith & Wesson .380 caliber semi-automatic pistol to Bela Hummel in Eldon, Iowa. The 73-year-old had been selling weapons without a license since 1990, according to a news release from the U.S. attorney's office for the... (GunPolicy.org)