Not necessarily an innocent. But very possibly a federal agent inside the operation, professional to the end, of a much higher quality than the usual FBI and BATF drones caught in other criminality and selling out their country.
She also claimed a West German National, one Andreas Strassmeier, was involved.
I don't know how he fits in, or if this was the smokescreen part of the op to tie all of this in with the 'extreme right wing conspiracy'.
Her presence/denial may be a red herring designed to get the right wing looking at theories other than Iraq.
McVeigh did.
How so?