So that's Where the Mexican Guns are Coming From

FBI agent John Shipley is being charged with illegally selling guns to Mexico...

http://www.nytimes.com/2009/07/10/us/10brfs-AGENTARRESTE_BRF.html

Funny that. So how exactly will making stricter gun control laws prevent federal agents, whom the law barely seems to apply, from selling guns to other countries?