Little Girl Lost (Jack Fallon, firefighter) (Volume 4)

I think we have a missing girl on our hands. Still reeling from the death of his friend and fellow firefighter, Jack Fallon is unprepared to deal with the disappearance of a teenage girl, yet finds himself once again drawn into a mystery. As he tangles with the FBI and is pursued by terrorists , he comes to realize that this case involves far more than a missing girl, and could be the deadliest he has ever faced.