U.S. Officials Cite Intelligence Drug Lord ‘El Chapo’ Guzmán Was Plotting Escape

WASHINGTON—U. S. officials said Monday there was plenty of intelligence suggesting drug cartel kingpin Joaquin “El Chapo” Guzmán was planning to try to escape from jail, underscoring a frustration U.S. officials feel with Mexico’s inability to keep the country’s most notorious drug boss behind bars.

Mr. Guzmán escaped from a maximum-security prison on July 11, sparking a nationwide manhunt and new questions about the Mexican government’s ability to combat cartels. Within the Justice Department, the escape also has led to...