The friend, Harjeet Singh, 35, has told The Seattle Times that he learned of the Arizona shooting from them.
And the Arizona shooting was caught on video.
The Arizona shootings still dominate the news as both President Obama and Sarah Palin make statments on the issue.
Sarah Palin brands media's attacks over Arizona shooting as 'blood libel'
In 2011, the song was associated with the 2011 Arizona shooting of Congresswoman Gabrielle Giffords.
In this week's Comment, Hendrik Hertzberg writes about the rhetoric surrounding the Arizona shooting.
Rep. King on security for Members of Congress in wake of Arizona shooting.
Read more New Yorker coverage of the Arizona shooting and its aftermath.
Aryeh Neier: After the Arizona shooting, some are calling for legal restraint of political vitriol.
More recently, the song was linked to the 2011 Arizona shooting of Congresswoman Gabrielle Giffords.