Can I purchase a handgun for my home protection if I have a had a domestic violence charge back in 2001?

Under Texas law you can, but under federal law you can not.

Halfway house?

A probation violation will probably be filed and he could be sentenced to jail.

Contact you attorney now. It typically means you didn't show up for court. You attorney should have notified you of this.

You can, but it would be expensive. Contact a lawyer located in New Orleans and they will be able to give you a quote.

Can I obtain police reports regarding my own case? Including the audio and video footage they have?

No you can't. Your attorney will be able to get all of that information during discovery of your case.

Can a Felony (2nd Degree) case be dismissed by your Attorney that you retained before it has been Filed by the DA's Office?

Your attorney may be able to keep the case from being filed or may be able to convince a grand jury not to indict the case if it is filed

Arrested because my vehicle had warrants?

You need an attorney to go over this and put it all together. It is hard to tell how this all will fit together.

This is my second DUI on my prescribed prescription drugs but this time I caused an accident and the other driver passed away

Too big of an issue to answer here. You need to talk to your attorney, who knows all about your case, and let him tell you if he believes it is a...

I recieved a DUI in Plano in early December and still havnt heard anything from the county court or DMV, Is this common?

It is common for it to take this long. They have 2 years from your arrest date to file the case.

With these charges is there any possiblity of getting out of jail?

There is always a chance. With the parole issue it is doubtful.