Mexican police reenacting Jose and Goliath.

http://www.signonsandiego.com/news/mexico/tijuana/20070123-9999-1m23sling.html

Some Mexican po-po have had to resort to slingshots since having their weapons taken away during a police corruption investigation. Can you imagine hearing,"Stop, or I'll shot this marble at you and it will hurt, really really bad". Of course there's the Canadian version, not quite considered a WMD.