When Enron Task Force prosecutors enter U.S. District Judge Sim Lake’s courtroom in Houston on Monday for the long-awaited trial of former Enron Corp. Chairman Kenneth Lay and former Chief Executive Officer Jeffrey Skilling, the government lawyers will be toting baggage — both literal and figurative.

In the literal sense, the big criminal trial is document-intensive. In the figurative sense, the government lawyers have stumbled more than once in their four-year pursuit of Enron employees, and that track record follows them into Lake’s courtroom.