Everything has the potential to kill...whether it be guns or Step ladders/slippery showers/electric toasters/hair dryer/Stairs cases/fruit cake/,etc.

Human life is fragile. All life is for that matter.

Besides guns these things would also kill if used for that purpose: A knife//large hands/big sticks/sharpened sticks/rocks/cars/pillows/high heeled shoes/heavy objects like candle sticks/frying pan/sculpture/hammer/rope/hard cover book/a towel/ plastic bag/Legos/rolled newspaper/CRT monitor/clipboard/wooden or metal chair, etc.