Posted 5:15 AM, December 28, 2012, by kellanconnorktla and Kellan Connor, Updated at 12:22pm, December 28, 2012 Share this:FacebookTwitterGoogleLinkedInPinterestEmail LOS ANGELES (KTLA) ??? Authorities collected 2,037 firearms, including 75 assault weapons, and two anti-tank rocket launchers during L.A.???s annual gun buyback event.