Article Photos: Colorado lawmakers advance gun control bills 9/11

Krista Ceresa, right, whose mother, Ginny May, was murdered by Gary Davis in 1986, testifies against gun control legislation in the Colorado Legislature, at the State Capitol, in Denver, Monday, March 4, 2013. State Senate committees began work Monday on a package of gun-control measures that already have cleared the House which include limits on ammunition magazine sizes and expanded background checks to include private sales and online purchases. (AP Photo/Brennan Linsley)