Yes and no. Stiff sentences for guns (5 years for possestion) doesn't seen to deter those who want to do it.

End of the day, you can glam this up how you like, it was a freak accident. I have seen people not even go to prison for killing somebody when driving, as until recently there was either death by dangerous (for bad driving), or the next step down was driving without due care and attention, which you cannot have a custodial sentence for.

Now that WAS an injustice. Now it has changed though