Sept. 4, 2005

NOPD officers responding to an erroneous report that a police officer was “down” near the Danziger Bridge shoot six civilians, killing two men and wounding four others.

Dec. 28, 2006

A state grand jury indicts seven police officers in the shootings.

Aug. 13, 2008

A state judge dismisses the charges against all defendants.

Feb. 24, 2010

Former Lt. Michael Lohman, a supervisor who arrived at the Danziger scene after the shooting, pleads guilty in federal court to helping orchestrate a cover-up.

July 14, 2010

A federal grand jury charges six current and former NOPD officers with the cover-up of an unlawful shooting. Four are also charged in the shooting itself.

July 27, 2011

The federal trial for five of the officers opens with testimony of Susan Bartholomew, whose arm was blown off in the shooting.

Aug. 5, 2011

Jurors find all five guilty on most of the 25 counts in the indictment.

Jan. 27, 2012

U.S. District Judge Kurt Engelhardt declares a mistrial in the separate trial of Sgt. Gerard Dugue.

March 15, 2012

U.S. Attorney Jim Letten confirms allegations that prosecutor Sal Perricone has been commenting anonymously at NOLA.com.

April 4, 2012

Engelhardt imposes sentences on the five men convicted at trial, but pronounces himself deeply uncomfortable with prosecutors’ tactics.

Nov. 8, 2012

Letten admits that Jan Mann, his longtime No. 2, also was an anonymous online commenter.

Nov. 26, 2012

Engelhardt issues a stinging order complaining of lackluster efforts by Justice Department to get to the truth.

Dec. 6, 2012

Letten resigns amid growing scandal; John Horn appointed as a special prosecutor to investigate alleged misconduct by members of Letten’s staff.

June 25, 2013

Horn submits a fourth supplemental report to Engelhardt.

Sept. 17, 2013

Engelhardt orders new trial for the five defendants found guilty at trial.