The image shows the corner of a room with an opened cardboard box with several items of clothing and some books around on the grey floor. In September 2010 several shipments from Yemen to Chicago were reported repeatedly to have contained literature and other materials, but no explosives. US officials suspected the idea was to test how long it would take for the packages to reach their destination. A few weeks later, two parcel bombs were found on cargo planes in the UK and Dubai. The parcels—with powerful PETN explosives hidden inside printer toner cartridges—were shipped from Yemen's capital Sanaa through UPS and another US cargo firm, FedEx. Both packages—which have now been made safe - were addressed to synagogues in the US city of Chicago. Investigators linked the "dry run" and the bombs to al-Qaeda in the Arabian Peninsula (AQAP), a regional offshoot of the militant network based in Yemen.