The use of IMSI catchers[1] to arrest individuals is rarely documented — as IMSI catchers are used secretively in most countries. The arrest of Colombian drug lord Henry López Londoño in Argentina is therefore a rare opportunity to understand both how IMSI catchers are used, and also the complexity of their extraterritorial use.
In October 2012, Londoño — also known as Mi Sangre (“My Blood”) — was arrested in Argentina. His arrest was the result of cooperation between the Dirección de…