Given the likelihood that one would be used in short order of being prepared, I'd say none so far. If there are any new ones driving around today, I'm sure we'll hear about it in a day or so.
Of course, one needs to keep such things in perspective. Tim McVeigh, for instance, didn't need a cloned truck.
“Of course, one needs to keep such things in perspective.”
I sure do.
I follow the global jihad and the gwot (online) and try to think in and out of the box each day.