Prison ship ships at sea, claiming legal authority to do so. In 2009 the US Navy converted the main deck aboard the supply ship into a brig to hold pirates captured off the coast of Somalia until they could be transferred to Kenya for prosecution. The brig was capable of holding up to twenty-six prisoners and was operated by a detachment of Marines from the 26th Marine Expeditionary Unit. Charles Dickens' novel "Great Expectations" opens in 1812 with the escape of the convict Abel Magwitch from a hulk moored in the Thames Estuary. In fact, the prison ships were largely moored off
Charles Dickens 1860s to 'do the slums' and, in company, Dickens visited opium dens in Shadwell, where he witnessed an elderly addict known as "Laskar Sal", who formed the model for the "Opium Sal" subsequently featured in his mystery novel, "Edwin Drood". After Dickens had regained sufficient strength, he arranged, with medical approval, for a final series of readings to partially make up to his sponsors what they had lost due to his illness. There were to be 12 performances, running between 11 January and 15 March 1870, the last at 8:00 pm at St. James's Hall in London. Although in grave