A news article on criminal background checks in Texas on nurses found that 1 in 20 have some incident on their criminal record. Some of these incidents may be arrests without convictions, or charges that are decades old.
Background checks are commonly done on new hires, but many of the nurses who who checked had been on staff for many years before such checks were common. No doubt many of these nurses have served hospitals with distinction, and helped thousands of patients. Yet, because of a past incident that could be trivial in nature, such a person possibly never would have been hired.
But now that criminal background checks are cheap, simple, and common, you need to consider the future impact of any Texas criminal conviction on your future career opportunities.
Any criminal charge can leave you with a permanent scar with will show up on any background search. And in the future, it is very possible, if not likely, that criminal records could be freely available to all via something as simple as a google search. Criminal court records are considered public information in most cases.