car prosecute people. >> gun rights group claim up to 90% of the guns are traced to the u.s., mostly to gun stores. the group says the number is less than 30% with most cartel guns sourced to mexico and central america. >> they want to pin the blame on american gun owners, gun laws and gun rights in this country and dealers. it's not going to float. >> bret: watching this closely is mexico. i returned from mexico city today and the calderon administration will not share data were weapons as requested. that's critical to linking fatalities in mexico with the fast and furious guns the u.s. sent south and they want to extradite u.s. officials to