Bin Laden documents released: Papers reveal his obsession with attacking the US and how his failure to keep up with modern jihad led to Isis

Plans for the future of worldwide jihad; constant calls to attack the US; warnings about the perfidy of Iran; concern about climate change; family matters – grooming a son for succession and love letters to one of his wives. These were the varied subjects of discourse of Osama bin Laden in the time leading up to his killing by US forces.