What would happen if you used a lawfully owned firearm to defend yourself in your home. (A question, not a challenge)
I’m not a legal expert but I guess it would depend on the circumstances. In the UK if you are attacked in your own home (or indeed anywhere else for that matter) then you are perfectly entitled to righteously defend yourself, and if your life is in danger (or you feel that it is) then you are perfectly entitled to use deadly force. But if you ended up killing someone by doing that, then that would involve a coroners inquest. And if the coroner felt that your use of deadly force was inappropriate, (a verdict of unlawful killing) then you would be in trouble. This is what happened to that farmer who was imprisoned for shooting at a couple of intruders a few years back (and killing one of them). He got into trouble not for defending himself, but because he shot them in the back as they were running away from his property, and therefore they were not threatening him at the time.
It depends on the circumstances - but people have used firearms in self defence in their own homes in the UK and been found to have acted legally in self defence.
Tony Martin was the exception, not the rule.
The key is that to use deadly force, you must have reasonable grounds to believe at the time you use it that you, or somebody you were defending, were in danger of death or serious injury. If you are, you can use deadly force.
Names of men who have done this and been found to have acted legally:
Tony Evans
Jon Pritchett
Barrie Richards
David Kent
Kenneth Hall
Ted Newberry (although he was found to have a civil liability)
Kenneth Faulkner
Those are just cases in which guns were used - there’s quite a few others where knives were used legally in self defence.
Tony Martin’s case was not the norm - the difference in his case was that the men he shot had ceased to be a threat at the time he shot them, and he admitted that to police (if he’d been sensible, he would have claimed he was still in fear of his life, because it would have been impossible to prove otherwise - instead he admitted he wasnt’).