Washington (CNN) New information leads U.S. officials to believe that French jihadist David Drugeon, a bomb maker in the al-Qaeda affiliated Khorasan Group, survived U.S. strikes last month, U.S. officials tell CNN.

CNN's reporting on Drugeon is the result of a collaboration with the French newspaper L'Express. Intelligence indicates Drugeon was seriously injured in the drone strike on his vehicle in November and immediately driven away for treatment at a location Jihadis felt was secure, L'Express is reporting Wednesday.

The new information is based in part on monitoring of al Qaeda and Khorasan communications, in additional to human intelligence, the official said. Initial information after the strikes in Idlib, Syria, led US intelligence to assess that it was possible Drugeon was killed. But recent intelligence changed that assessment.

CNN's reporting last month indicated Drugeon's knowledge of explosives, European background and access to Western fighters makes him arguably one of the most dangerous operatives in the global al Qaeda network.

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