CLOSE

Drugs and weapons aren’t the only contraband in prisons these days. The latest underground currency among inmates is an item most of us consider harmless: the cell phone. And so far, prison officials are fighting a losing battle to keep inmates from obtaining cell phones and using them to communicate with people both inside and outside prison walls.

Read more: http://www.time.com/time/nation/article/0,8599,1900859,00.html#ixzz13EyoYvLc