'El Chapo' Guzman sent a team of engineers to Germany to devise his elaborate escape tunnel
Jan 10, 2016, 11:35 IST
Authorities believe López may have stolen a copy of Puente Grande's blueprints before leaving his job at the prison.
Considering both prisons are shockingly similar in layout, the stolen blueprints from 2001 would have tremendously aided Guzmán's accomplices in helping him escape.
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"The tunnel makers may have also had the GPS coordinates for Mr. Guzmán's shower stall," The New York Times reports.