of inquiry that looked into french and european jihadi networks. senator, thank you for joining us. when we talk about yesterday -- >> thank you. >> at first it looked like a deranged person with a knife. now investigators say there are real questions about this man's ability to hide his identity and what his real plan may have been with his fake explosive device, his isis flag, his letter of pledging his loyalty to bag d d baghdadi, the isis lead he. what do you think? >> exactly. first of all, we have absolutely no way to check his i.d. which is very strange. at the beginning we thought he was from morocco, then it looks like he's from tunisia. the d.a. expressed doubt this morning that we could find his i.d. yet. then all the stories is really, really strange.