They are probably sentenced to prison.
They get arrested, charged, and stand trial.
You do not lose your rights when you are convicted of a felony. You lose some rights which will be determined by the judge.
If you are asking if the felony conviction from Texas will still be a felony conviction in another state, then yes. Once convicted you are marked for life.
no
Yes, the felony conviction only bars the convicted felon from possessing one.
no you are only a resident of Texas if you are living in Texas
Question is unclear. How can you have a felony record on a NON-conviction? You were either convicted of a felony or you weren't. If you weren't you're not a felon.
If you were convicted of the felony, you may not possess a firearm. If you were not found guilty, you may. Charge is a very vague term.
Whether or not you can gain a license to bear arms in Texas after a crime, depends on what you were convicted of. If it was a felony, you can't bear arms, legally.
This question begs another question of why was the person appointed in the first place. Perhaps they have since been convicted but that implies that the estate has been uncompleted for a long time. In any case, some other interested party should petition to have the executor removed and a new executor appointed. This situation should be handled by the attorney who is representing the estate.
Criminal offenses never 'expire' even after yo have served your sentence. Once you are convicted your conviction is always included on your public record.
No. As a matter of fact, if you were convicted of a felony, it is against the law for you to ever possess a rifle.