http://www.cracked.com/article_18562_the-6-most-hilarious-undercover-operations-ever-pulled-off.html?utm_source=facebook&utm_medium=fanpage&utm_campaign=newarticle060910
My favorite:
#5.
A Black Guy Goes Undercover in the KKK
all on one page!
Too bad I couldn't get a picture of the ***** stripper attempting to give one of my buddies a lap dance while he was trying to put the cuffs on her.