The twist: she also spent time assisting former Enron investor relations head Mark Koenig .

FORBES: Lay, Skilling Defense Team Goes On Offense

That strategy played itself out on Wednesday, when Enron Vice President of Investor Relations Mark Koenig took the stand.

FORBES: Magazine Article

In Houston today, jurors in the Enron trial heard a sixth day of testimony from the failed company's former head of investor relations, Mark Koenig.

NPR: Witness: Enron Executives Knew of Inflated Earnings