The trial starting Monday for Gerard Dugue is expected to last two weeks.
Dugue allegedly submitted a false report to make it appear police were justified in shooting six people, killing two less than a week after the 2005 storm.
U.S. District Judge Kurt Engelhardt ordered separate trials for Dugue and five other current or former officers who were convicted in August of civil rights violations stemming from the shootings.
Dugue isn’t charged in the shooting. He didn’t get involved in the case until several weeks later, when the department assigned him to help another sergeant investigate.