This gets filed in "the life isn't fair" folder. Texas is an employment at will state; the employer may fire you for any reason except those protected by law, e.g., sex, race, age discrimination, etc.
However, you may have a cause of action against the person who assaulted you and the employer may be liable for their actions. Talk to a trial lawyer about your damages stemming from the assault, including lost wages.
Texas is an employment at will state. Typically, unless an employee has an employment contract, or is employed under a collective bargaining agreement through a union, the employer can modify or terminate the employment at any time with or without cause. If an employer, at any time, decides they no longer want to employ someone, for any non-discriminatory reason, that employee can legally be terminated. However, an employer generally cannot terminate an employee for prohibited discriminatory reasons (such as racial discrimination), or in retaliation for certain protected actions (such as whistle-blowing). What you describe does not sound like prohibited discrimination or retaliation.
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