Mexican authorities are on high alert regarding three ISIS-linked terror suspects who are believed to be making their way from Central America to Mexico and potentially the U.S. border. Authorities were warned the suspects could try to enter Mexico within a large migrant group or with the help of human smugglers.

Breitbart News exclusively confirmed that Mexican Federal Police are on alert, preparing to encounter or arrest Ahamed Ghanim Mohamed Al Juburi from Iraq, and Ibrahim Mohamed and Mohamed Eissa from Egypt. The three men are believed to have entered through Panama in May, crossed through Costa Rica on June 9, and could be headed to Mexico, a leaked internal security memo revealed. The documents make reference to BITMAP, the U.S. Homeland Security Investigations' Biometric Identification Transnational Migration Alert Program, a collection of databases on "special interest aliens, violent criminals, fugitives and confirmed or suspected terrorists encountered within illicit pathways."

A document obtained by Breitbart News from Mexico's Federal Police revealed that on June 21, the U.S. Department of Homeland Security warned Mexico about the suspects and asked for cooperation in attempting to stop them if they were encountered in or approaching Mexico. The document asked for cooperation from all Mexican agencies.

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Confirming there had been GPS disruptions for approximately the past three weeks, an IAA statement said these affected only airborne crews and not terrestrial navigation systems. An aviation source told Haaretz the interruptions occur only during daytime, but "do not put pilots and passengers at risk."

Pilots use GPS for navigation within the Israeli airspace, and for takeoff and landing. The source said pilots have alternative instrument landing and navigation systems that are not reliant on the GPS to work. Another source said the announcement was meant to notify incoming flights to turn off GPS systems, and use the alternative instruments, as long as the interruptions continue.

Israeli authorities had worked from the outset to locate the source of the problem and fix it, the IAA added. Asked if an explanation for the disruption had been found, an IAA spokesman said: "No. I don't know." Sources in the Israeli Airline Pilots Association told Haaretz there have been recurring interruptions in the GPS systems in the eastern Mediterranean.

Asked for comment, a spokeswoman for Israel's Defense Ministry said only that the disruption was an IAA matter. "At no stage has there been a safety incident stemming from the GPS disruption in the context of the precision of navigation and flight corridors," the IAA said. In its post on Tuesday, the IFALPA said the loss of the GPS signal may create numerous alerts for systems.

Members of the Israeli Airline Pilots Association said this is an unusual development that is not common worldwide. "It's unexpected and you don't know to what extent the jamming will be and where it will catch you," said one member. "This is not a local incident, but a big and significant event, and we are confident that the IAA and the civil aviation authorities will solve it," he said.

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