By Brendan Cole For Mailonline. Bored female inmates at an American jail posted sexy snaps of themselves in their cellblock using an illegal mobile phone and posted them online. But the alarm went up for the warden of Bayamon prison in Puerto Rico when the photos of the inmates - scantily-clad and in some cases totally naked - went on to be published in a national newspaper. It led to a severe crackdown and intensive searching in the cell blocks, with sniffer dogs trying to find the offending mobile phone. Relaxed: Female inmates posted online images of them in a number of poses.