In the wake of Friday's foiled terror plot,President Obama has requested two reviews of U.S.security procedures.

VOA: standard.2009.12.27

Aziz concedes this view was reinforced just a few months ago, in the wake of the foiled plot to blow up airplanes.

NPR: Trip to Religious School Offers Window on Pakistan

Curbs were imposed in August 2006 after police said they had foiled a plot to bring down as many as 10 planes.

BBC: Crowds at Heathrow Airport

America also fingered him for another (foiled) plot, to bomb a string of airports and aircraft on the eve of the millennium.

ECONOMIST: The perpetrators