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I am sorry to hear about this situation. On this website, I do not always get to give good news, and this is one of these times.
Texas as two versions of sealing records - non-disclosure and expunction.
Non disclosure is when there is no conviction or there was a deferment or diversion, and the records are sealed. Only police and certain government agencies can see them. This is not an option here.
Expunction is the Texas version of expungement. An expunction destroys the records. The problem is, an expunction is available only where there was no conviction, or, if the conviction was overturned. See HERE. Therefore, this is not an option, either.
If you are a registered SO, then you have a conviction. That conviction first has to be overturned. You'd need to file in Court asking for a new trial based on a technical fault, or, newly available evidence. If the Court agrees and the conviction is eventually overturned, than an expunction may be then available.
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