In February 2002, it will be reported on the ABC News program Nightline that in July 2001, “Jordanian intelligence picked up an… alarming threat. ABC News has learned Jordan told US officials al-Qaeda was planning an attack on American soil.” [ABC News, 2/19/2002] It has been reported elsewhere that in late summer 2001, Jordan warns the US that aircraft will be used in a major attack inside the US, but it is not known if that is a separate warning or the same as this one (see Late Summer 2001). Also in late July, Jordan will offer the US to send its elite troops to Afghanistan to attack al-Qaeda, an offer the US turns down (see July 24, 2001). Also in July 2001, Jordan briefly detains and interrogates Mohammed Haydar Zammar, a member of the Hamburg cell with three of the 9/11 hijackers (see July 2001). Zammar appears to have foreknowledge of the 9/11 plot around this time (see August 2001).