Mexico - Identity of a Detainee Is Questioned After Arrest - NYTimes.com Mexican and United States authorities said Friday that they were checking DNA and photographs of a detained suspect whom they introduced as the presumed son of the drug kingpin Joaquín Guzmán Loera. The Mexican Navy presented a man amid great fanfare on Thursday, identifying him as Jesús Alfredo Guzmán Salazar, who is believed to be a son of Mr. Guzmán Loera, the leader of the Sinaloa drug gang. But by Friday, officials were scrambling after the detained man's lawyer and his wife said that he was Félix Beltrán León, a car salesman who has no relationship to Mr. Guzmán Loera. The Mexican Attorney General's Office said information identifying him as Mr. Guzmán Loera's son came from the United States. The United States Drug Enforcement Administration said it came from Mexico.