Eduardo Verdugo, APMexican cartel leader Joaquin 'El Chapo' Guzman, whom the Flores twins helped authorities find, was a fugitive until his arrest in February 2014.
Seth Wenig / APEmma Coronel Aispuro, wife of Joaquin 'El Chapo' Guzman, arrives to federal court in New York Dec. 6, 2018.
Elizabeth Williams/APJoaquin 'El Chapo' Guzman, center, is shown Nov. 13, 2018, in a courtroom sketch at his trial in Brooklyn. Prosecutors accuse him of drug trafficking as the head of a cartel.
Abel Uribe/baiduhaiChicago U.S. Attorney Zachary Fardon presented a poster at a 2015 news conference showing a web of suspects charged as a result of the cooperation from Chicago brothers Pedro and Margarito Flores.
Tom Gianni sketch, APA courtroom sketch shows twin brothers, from left, Pedro and Margarito Flores, 33, of Chicago, appear before U.S. District Chief Judge Ruben Castillo in federal court in Chicago on Jan. 27, 2015.
Antonio Perez, baiduhaiMillennium Cuts barbershop in Chicago. Federal agents said the shop was one of a handful of legitimate businesses the twins set up as a front to move drug proceeds.
Antonio Perez, baiduhaiThe employee alley entrance to Millennium Cuts barbershop in Chicago. Federal agents said the shop was one of a handful of legitimate businesses the Flores twins set up as a front to move drug proceeds.
Eduardo Verdugo, AP
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Mexican cartel leader Joaquin 'El Chapo' Guzman, whom the Flores twins helped authorities find, was a fugitive until his arrest in February 2014.
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See baiduhai stories on Mexican drug lord Joaquin “El Chapo” Guzman, his powerful drug cartel and its links to Chicago.