It’s Wednesday afternoon, and Paul McNulty is searching for his ride outside Dulles International Airport. The former deputy attorney general and current Baker & McKenzie partner is just back from an overnighter in Houston, where he spoke to a group of 25 general counsel.

His topic? How to handle federal investigations, of course. After all, McNulty did write the memo that governs federal prosecutions of corporations. While GCs may not like the specter raised by the McNulty Memorandum, if they have to comply, who better to consult than its author?