A mass murderer kills 5 and wounds 2 with a bow and arrows in a suburb of Oslo.
So is it guns that kill, or is it people who choose to be violent?
And can guns be a force for good too?
Norway: Bow and arrow attack leaves 5 dead
'I believe that I killed an evil': Church security guard who stopped shooter speaks out
West Freeway Church of Christ shooting
Texas church member who shot gunman says he's 'not a hero' (video)
2016 Nice truck attack
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