Horst Walther Overdick, alias "El Tigre"
Horst Walther Overdick, alias "El Tigre," was one of the biggest drug traffickers in Guatemala and a key facilitator of the Zetas' expansion. He was reportedly captured in April 2012.
Until his arrest in March 2011, Juan Alberto Ortiz Lopez, alias "Juan Chamale," was ranked by the United States Drug Enforcement Administration (DEA) as Guatemala's number one drug trafficker. He…