This is an awful situation, and I'd normally never be one to say that a gun is a talisman, or a gun can be "relied on" by someone who won't train.
However... the undeniable fact is that relatively untrained people (little old grannies, kids, spouses of gun owners...lots of folks) DO use guns to defend themselves thousands of times every year.
Yes, they do.
But this isn't a case of "grabbing the husband's / father's gun while he's away and using it to defend themselves."
This is "I want to bring a dangerous instrument in to my home for an unknown period of time, which I don't know how to use properly."
One is an act of negligence on the part of the husband/father for never providing necessary training, that works out OK. (It could just as easily not work out OK and result in a tragedy.)
One is an act of negligence on the part of the original poster, if they follow through and deliver said gun and ammo to the abused, without any training or round-ever-fired.
Both are preventable.
My 8 year old daughter has gone through a boiled down version of NRA basic pistol with me. So has my 10 year old daughter, my 15 year old daughter, my 15 year old son, my 17 year old son, my wife, my grandfather, my grandmother,
and even my mentally disabled sister who can't even OWN guns.
Why???
If they are going to be around firearms they are going to respect them, understand how they function, understand how careless handling can result in great danger to those around them, and so that (in an extreme situation) they can protect their lives.
There is NO excuse for handing a gun off to someone who has never, ever been around guns and doesn't know the basic rules of gun safety, safe handling, and storage.
ESPECIALLY if there's small children involved.
If she wants to take responsibility for her own protection and keep a firearm in the home, she BETTER be willing to take responsibility for her and her children's safety and submit to a safety lesson (including live fire, loading, unloading operations), safe storage, and the basic fundamentals of "bullets can shoot through walls and still kill your children on the other side, even if you can't see them..."
I'd never just hand over a gun to someone who has never been trained. Ever. Not unless they are in one of my classes, and I'm training them. I've done that plenty of times, but they're there to learn, and I'm there to teach....