examination background checks, and you can get a weapon. restrepo estimates that there are about 1 million guns, legal and illegal, in circulation throughout bogota, and what the ban does is allow cops to confiscate every weapon on the streets. the gun restriction, which began as a three-month trial, was generally supported by the public and was implemented by the military and the police. but mayor petr o's measure of banning weapons in public wasn't without great irony. [ speaking a foreign language ] >> translator: part of the reason for violence in colombia is that we have armed ourselves, the states armed themselves, insurgencies. i was part of the colombian insurgency. >> that's right, the second most important elected official in