The devices would have been assembled in airplane toilets and detonated by suicide bombers.

VOA: standard.2009.09.07

This TV station caught on tape what was a first in Mexico's fight against drugs - a car bomb targeting police detonated in Ciudad Juarez, across the border from El Paso,Texas.

VOA: standard.2010.07.20

"At least one of the bombers detonated in the deepest part of the underground which made it hugely difficult both to undertake rescue operations and to carry out the forensic examination of the site which needed to take place."

VOA: standard.2010.04.01