join al qaeda. asking about hobbies, special skills and then this. do you wish to execute a suicide operation? and who should we contact in case you became a martyr? the files show a man obsessed with attacking america and his own security. bin laden warning his wife to leave everything behind before joining him because some chips have been lately developed for eavesdropping so small, he wrote, it is possible to implant a chip in some of the belongings. the terrorist mastermind was still fixated on large scale attacks against america. a letter from one of the operators saying the organization was working on breaking the power of our main enemy by attacking american embassies in african countries and u.s. oil companies. >> bin laden and his lieutenants were extremely concerned about drone strikes. one of the documents warning, you should change houses only on