As opposed to the other parent whose a danger to them? It fully depends on the circumstances.
It depends on the felony conviction. Especially if the felon is child predator.
Not custody rights but you can have a chance to visitation. Speak to your lawyer.
He didn't loose them. He had full custody when Kim was on the run and in jail and other then that they have shared custody.
They may not have access to any firearm. When not in the personal custody of the owner, the firearm must be under lock IF the felon is in the same home at that time. The felon may not have access to the keys to the lock.
Unless both parents are convicted felons, probably not.
You can if you get a lawyer and go to court to prove you should have legal custody of the girls.
Depends on total evidence and not just one piece. see links below
With regard to child custody, the court must consider what is in the best interest of the child. A felony might hurt a parent's character, but it isn't necessarily a bar to having custody. It just depends on the specifics.
Impossible to answer. If your custody is challenged by the other parent, it may well become one of the disqualifications that the other parent will use against you. Only the judge can decide.
You could make a good attempt to get main custody, but the mother would likely be allowed visitation etc. if she has a job and such herself.
Yes. see link
Soraya M's two daughters were taken from her by their father after their divorce. He won custody of the children and they were consequently raised by him. Soraya continued to fight for their custody but was ultimately unsuccessful.