Sitting US Congresswoman Gabby Giffords is shot in the head along with 18 others in a mass shooting in Tucson, Arizona. Giffords survived the assassin...

Sitting US Congresswoman Gabby Giffords is shot in the head along with 18 others in a mass shooting in Tucson, Arizona. Giffords survived the assassination attempt, but six others died, including John Roll, a federal judge.