"Hello, my name is I-Am-An-Idiot and here's my proof." (via)

Update 3:22 PM: She's been arrested in Rotterdam in the Netherlands. Apparently, the "I can't be a terrorist, I'm a white girl" tactic didn't pan out. In addition, she's spawned a copycat threatmaker named @Twerkc***t, although this guy falls more into the category of horrible, racist, awful troll, so don't click on him unless you want to give him attention.

Oh Sarah, thank you for volunteering to be a cautionary example to the next generation of dumb teenagers.

Sources: Business Insider | Daily Mail | NY Daily News