Palin: Tucson finger-pointing 'irresponsible'
The video, which appeared under the headline "America's Enduring Strength," was posted early Wednesday on the former Alaska governor's website.
Palin has been criticized by some for using crosshairs on a website graphic to indicate congressional districts, including Giffords', where she wanted Republicans to win in last fall's election.
It also emerged that authorities responded to shooting suspect Jared Loughner's Arizona home at least once before Saturday's attack.
Pima County Sheriff's Department spokesman Jason Ogan said he didn't know why or when the visit occurred. Department lawyers were reviewing the paperwork and expected to release it Wednesday, he added.
The visits to the Loughner home were for nonviolent incidents, including a report by Jared Loughner of identity theft, a noise complaint and the suspect's mother's claim that someone had stolen her license plate sticker, according to The Wall Street Journal.
In a separate statement released Tuesday, Ogan noted that the department "was not aware of any threats made to Congresswoman Gabrielle Giffords, any other government official, or to any member of the public" prior to Saturday's shooting at a
Interviews with those who knew Loughner or his family painted a picture of a young loner who tried to fit in.
Loughner lived at home with his parents, worked low-wage jobs at big brand stores and volunteered time doing things he liked.

When is this women going to take responsibility for her actions. She couldn't simply give her condolences, instead of doing that, she tried to turn the tables, taking swipes at others, instead of excepting her own hand in this. She's is a fake, a quitter, and thank God every time she opens her mouth, people are starting to see her for who she really is.