Police suspect a second gunman due to the spread of the firing on the ground and the number of victims.
Pima County Sheriff's Deputy Rich Kastigar told reporters that a rifle with an extended magazine was found at the scene of the shooting spree.
2nd Person Arrested?
"Police arrest man near Thornydale and Magee Roads who is suspected of being connected to the shooting of Giffords and others. A third man is being sought."
"Witnesses To AZ Shooting Told Investigators Someone Else Was Working With Shooter" http://www.youtube.com/watch?v=08kzvViddzA
Cops Hunt Second Man Believed to Be Involved in Congresswoman Giffords Shooting
"We are not convinced that [the gunman in custody] acted alone, there is some reason to believe he came to this location with another individual, and that individual is involved," Pima County Sheriff Clarence Dupnik said.Dupnik declined to provide more information on the second individual who he would only describe as "white" and "in his 50s." Authorities have photographs of the person of interest and are "actively pursuing him," the sheriff said.The Arizona sheriff helping investigate the shooting of Representative Gabrielle Giffords and others says the gunman may not have acted alone.
Pima County Sheriff Clarence Dupnik said at a news conference in Tucson on Saturday that authorities may have a photo of another suspect.Dupnik says officials believe a suspect in custody may have come to the grocery store parking lot with another person, and that person was in some way involved.Dupnik would offer no other information.
"Witnesses To AZ Shooting Told Investigators Someone Else Was Working With Shooter" http://www.youtube.com/watch?v=08kzvViddzA
Cops Hunt Second Man Believed to Be Involved in Congresswoman Giffords Shooting
"We are not convinced that [the gunman in custody] acted alone, there is some reason to believe he came to this location with another individual, and that individual is involved," Pima County Sheriff Clarence Dupnik said.