It is a verdict likely to cause great consternation to lonely prisoners throughout the US penal system. A prisoner in Florida has been found guilty of indecent exposure for masturbating alone in his cell. Terry Lee Alexander, 20, of Lauderdale Lakes, Florida, was sentenced to a further 60 days in jail on top of the 10-year term he is currently serving for armed robbery, the Miami Herald reported yesterday. He was prosecuted after a female sheriff's office deputy witnessed him performing the sex act in his cell in Broward County, Florida, last November.