sentences:  Several of the guns sold under the Project Gunrunner were recovered from crime scenes in Arizona, and at crime scenes throughout Mexico, resulting in considerable controversy.One notable incident was the "Black Swan operation" where Joaquín Guzmán Loera was finally captured.The ATF confirmed that one of the weapons the Mexican Navy seized from Guzman's gunmen was one of the many weapons that were "lost" during the Project Gunrunner
  
  Many weapons from Project Gunrunner were found in a secret compartment from the "safe house" of José Antonio Marrufo "El Jaguar", one of Guzman's most sanguinary lieutenants.