Post mortems of the enron collapse have targeted the "casablanca maneuver" by members of the enron board of directors. what does this reference mean?

The casablanca maneuver was a tactic used by the enron board of directors during the fallout of the enron scandal. This maneuver refers to a white collar crime case strategy in which a defendant would refuse to admit to anything even despite heaping piles of evidence in the State's or Federal government's favor. This is what the enron board did - they denied in the face of dam. ning evidence against them.