FILE PHOTO: An armed soldier stands guard next to communication radios displayed to the media at a military base in Ciudad Juarez March 22, 2013. REUTERS/Jose Luis Gonzalez/File Photo
MEXICO CITY (Reuters) - The young technician shut off the electricity at a cellular tower in rural Mexico to begin some routine maintenance.
Within 10 minutes, he had company: three armed men dressed in fatigues emblazoned with the logo of a major drug cartel.
