Yes Tones, look at the facts.
Mass shootings in Australia before gun control was 13 in 17 years. After 1996 gun control: zero. A mass shooting is considered 4 or more deaths in one incident. This is something that happens in America, on average, every day.
These are the common stats that I see with Australia (haven't looked into the UK yet), but please explain to me how these don't represent a decrease in homicide or gun deaths after gun control laws were passed. Not trying to be argumentative here, I just want a valid point from the other side in case there's something I'm missing here.