Rifles, pistols, machine guns, handy guns, dandy guns, bombs, longbows, shortbows, fatbows, skinnybows, bows-with-large-hips, kitchen knives, Bowie kives, pocket knives, boot knives, bricks, chairs, tables, falling pianos, kitchen appliances, jelly jars, large books, etc.
It dosent matter the 'instrument of death', murder can be commited with bare hands and is everyday. Guns or no guns, if tempers and situations are not handled correctly, the results can be deadly. Parents, employers, teachers, friends...paying attention to thoes around us could prevent some of this, not all, but some.