Personal possession of currency is prohibited in u. s. prisons, although, in practice, prisoners still exchange goods and services. u. s. prisoners used cigarettes as a medium of exchange until smoking was banned in u. s. prisons in 2003. after 2003, prisoners looked to other items on the commissary menu to facilitate exchange. in 2008, the wall street journal reported that energy bars had caught on as money in some u. s. prisons. one important difference between using energy bars and using dollars as money is that have intrinsic value. u.s dollars are an example of money.

An attorney came to work on a saturday. when he signed in, he was advised by the morning security guard employed by the building management that he must be out of the building by 5 p.m., when it closes. however, he stayed past 5 p.m. to complete a brief that had to be filed on monday morning. at 5: 15 p.m., the afternoon security guard set the locks on all the doors of the building and left. because she was in a hurry, she did not check the sign-in sheet to make sure that everyone had signed out, contrary to mandatory procedures. when the attorney tried to exit 15 minutes later, he discovered that the doors were all locked and could not be opened from the inside. he used his cell phone to call for , and a supervisor from the building arrived and let him out shortly thereafter. if the attorney sues the building management for false imprisonment, is he likely to win?