The scene of the shooting.

Arizona Representative Gabrielle Giffords appeared to be the intended target in a shooting spree, which killed six people and left Giffords fighting for her life.

"The six killed included U.S. District Judge John Roll, 63, and 9-year-old Christina Taylor Green, who was born on Sept. 11, 2001, and was featured in a book called"
"Others killed were Giffords aide Gabe Zimmerman, 30; Dorothy Morris, 76; Dorwin Stoddard, 76; and Phyllis Schneck, 79."

From top left:
Christina Taylor Green, 9
Dorothy Morris, 76
Arizona Federal District Judge John Roll, 63
From bottom left:
Phyllis Schneck, 79
Dorwin Stoddard, 76
Gabe Zimmerman, 30

Ariz. rampage suspect may seek Unabomber lawyer - Yahoo! News
Suspect in attack on Giffords charged on five federal counts | Chattanooga Times Free Press
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Christina Taylor Green: 9-year old and youngest victim of Arizona shooting, was born on September 11, 2001 | Batangas Today | Breaking News, World News And More News
And four people, who are credited with preventing this incident from becoming far worse, tackled the gunman and disarmed him:
Gabrielle Giffords shooting: Four people key in disarming suspect
The gunman, 22 year old Jared Loughner, posted a message on his MySpace just hours before the shooting:

"Goodbye friends. Dear friends, please don't be mad at me."