[Truth29]

"A real professional would have another set of ID with him. As soon as he is done with the truck, bolt the scene and leave the old ID. Let the cops look for your previous self. Change your appearance and, voila, make good your escape."

Good thought. That seems a little 007 for ISIS, but the convenient placement of the ID doesn't seem credible either.

[Hieronymus]

Or simply swipe someone else’s ID—preferably someone who has a really good alibi. That should delay things for a few days.