The agents of the Federal Bureau of Criminal Investigation of the United States of America (FBI) in no way come to “field day” in the Sonoran mountain range to clarify the Lebarón-Langford case, since binational treaties empower them in police intelligence tasks, participate in searches, insure assets, make arrests and temporarily detain detainees to their jurisdiction.
If so agreed by the parties in a signed letter, the FBI agents could carry regulatory weapons, even operate them, under fortuitous circumstances, of real risk, or for preserving their life; may use the satellite radiant to track and intercept telephone or radio communications under the supervision of the Coordinating Authority and even make use of digital technology platforms for the identification of specific targets, all of this, through the authorization of the judge of the case or in Flagrance of a criminal act or in the course of your investigation.
The presence of FBI agents in the Sierra de Sonora has legal support in the document signed on December 9, 1987 by the then Attorney Generals of both nations, Dr. Sergio García Ramírez, for Mexico, and Chales J. Pilloud Jr. , for the American Union. It is called:
El Policiaco 24 