Foiling a Terrorist Plot

Summarize the facts of one foiled terrorist plot from 2001-2005 in 60 Terrorist Plots Since 9/11: Continued Lessons in Domestic Counterterrorism. (link bellow) Explain how the assailant(s) was apprehended, the agencies involved, if and how agencies worked together, and the intelligence tools used.

http://www.heritage.org/defense/commentary/60-terrorist-plots-911-continued-lessons-domestic-counterterrorism?ac=1