Ambrose Everett Burnside - This image (or other media file) is in the public domain because its copyright has expired. This applies to Australia, the European Union and those countries with a copyright term of life of the author plus 70 years.
If i can remember, bombs in someway triggered by a person. Guns are equipped and effective only by manually using them. So why aren't the "shooters" blamed for but the guns are? Guns can't walk into a school with its legs and unload bullets.