Texas Penal Code Practice

The legal definition of "identity theft" in Texas is accurately captured as the unlawful use of another person's identifying information. This encompasses a range of activities where someone uses another individual's personal information, such as Social Security numbers, credit card details, or other identifying data, without permission to commit fraud or other crimes. Texas Penal Code specifies that this act is a serious offense because it can lead to significant financial and reputational harm for the victim.

In contrast, using someone's credit card information legally does not fit the definition of identity theft, as it does not involve unlawful actions. Similarly, stealing physical identification represents a subset of identity theft but isn’t broad enough to capture all activities involved in identity theft, such as digital fraud or the use of information without necessarily stealing physical items. Finally, retrieving lost identification documents does not constitute identity theft, as this act is typically lawful and doesn't involve unauthorized use of another person’s information. Therefore, the definition provided in the correct answer captures the broader scope of illegal acts associated with identity theft.