The Federal Bureau of Investigation has released evidence from its investigation of the on Jan. 8, 2011.
Six people were killed and Giffords was among 13 others injured at the event held at a Safeway on Tucson's northside.
Giffords had held similar events since first taking office in January 2007. She had just been re-elected to a third term and the event was her first of the new year.
The FBI's evidence includes photos and videos from the scene depicting the damages from the gunfire, collected belongings and the apprehension of Jared Loughner, the lone gunman who was sentenced to in August 2012.
A memorial is now being constructed in memory of the citizens who lost their lives and the survivors of the incident. The estimated completion is set for January 2020.
The bureau's released evidence can be viewed .
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2011 Tucson shooting: A look at the photos, video released by the FBI
Tucson shooting

Pistol magazines, a knife, and the GLOCK 19 Gen4 9x19 recovered at the scene of the January 8, 2011 shooting by Jared Lee Loughner in Tucson, Arizona.
Jan. 8 shooting

Weapon used by Jared Lee Loughner during the January 8, 2011 shooting outside a grocery store in Tucson, Arizona.
Jan 8 shooting

Jared Lee Loughner being restrained by a police officer following the January 8, 2011 shooting at outside a grocery store in Tucson, Arizona.ÌýÌý
Jan. 8 shooting

Backpack containing gun ammunition recovered following the January 8, 2011 shooting by Jared Lee Loughner.
Tucson shooting

L-shaped photographic scale showing measurements of a bullet taken from a victim’s clothing following the January 8, 2011 shooting by Jared Lee Loughner in Tucson, Arizona.Ìý
Tucson shooting

Jan. 8 shooting

Boxes of 9mm pistol ammunition and a backpack were recovered following the January 8, 2011 shooting by Jared Lee Loughner.
Tucson shooting

Crime scene at the front the grocery store where the January 8, 2011 shooting by Jared Lee Loughner occurred in Tucson, Arizona.
Tucson shooting

Blood on the floor of Walgreens store in the shopping center, marked as evidence item C, following the January 8, 2011 shooting by Jared Lee Loughner in Tucson, Arizona.
Tucson shooting

Blood on the floor of Walgreens store in the shopping center, marked as evidence item C, following the January 8, 2011 shooting by Jared Lee Loughner in Tucson, Arizona.
Tucson shooting

Blood on the floor of Walgreens store in the shopping center, marked as evidence item C, following the January 8, 2011 shooting by Jared Lee Loughner in Tucson, Arizona.
Tucson shooting

Pistol magazines, a knife, and the GLOCK 19 Gen4 9x19 were recovered following the January 8, 2011 shooting by Jared Lee Loughner in Tucson, Arizona.ÌýÌý
Tucson shooting

Crime Scene outside grocery store where the January 8, 2011 shooting by Jared Lee Loughner took place.Ìý
Tucson shooting

Bullet fragment, marked as evidence item H, on the floor of the grocery store following the January 8, 2011 shooting by Jared Lee Loughner in Tucson, Arizona.
Tucson shooting

Copies of notes and drawings, labeled as evidence item AAA, were recovered following the January 8, 2011 shooting by Jared Lee Loughner.
Tucson shooting

Crime Scene outside grocery store where the January 8, 2011 shooting by Jared Lee Loughner took place.
Tucson shooting

L-shaped photographic scale showing a sales receipt for the Glock 19 9mm pistol recovered following the the January 8, 2011 shooting by Jared Lee Loughner in Tucson, Arizona.
Tucson shooting

Blood and shell casing located on the sidewalk outside the grocery store where the January 8, 2011 shooting by Jared Lee Loughner occurred in Tucson, Arizona. The shell casing was marked as evidence item 15.
Tucson shooting

Bullet hole in wall of grocery store where the January 8, 2011 shooting by Jared Lee Loughner occurred in Tucson, Arizona.Ìý
New footage shows gunman moments before January 8 shooting in Tucson
The Pima County Sheriff's Department has released photos of evidence and the scene related to the Jan. 8, 2011, shooting in the Safeway parkin…