The file also contamed a chronological record of the activity of the investigators assigned to the case.

When the investigator assigned to Ames's finances began a two-month training course, no one immediately replaced him.

The Justice Department will increase the number of investigators assigned to the health-care industry.

And that would just make them wonder what two new investigators, assigned to the White House, were having a convicted hacker doing.

Ms. Lia said the two investigators assigned to them were "horrified by what was happening."

Other internal affairs officers, who did not want to be identified, also claimed investigators assigned to examine the lockdown said their reports had been altered.

Meanwhile, investigators assigned to the case continued to search for witnesses.

An investigator assigned to the welfare agency found more than 800 cases, she said, in which payments and food stamps were improperly disbursed.

Last month lawyers in the attorney general's office told the federal judge overseeing their release that two investigators assigned to the task were on vacation.

The PST then failed to track one suspect for 14 days because the investigator assigned to him was called away on another job.