Christine, I am so proud of you! I am so glad the police knew the seriousness and got the FBI involved, you can bet we all here at TM may eventually here something, a cell etc was interrupted at MoM, I just know it! How proud you can be you have just fought the WOT personally! Even if we ever hear a thing, which is more often than not, you can bet you interrupted something.
The followup you can do is if this guy calls, or if anyone should happen by the mall in a week and the kiosk is shutdown, all the signs you had prior to your alert patriotism, you'll 'know'