Can a Texas private investigator carry a concealed firearm while on duty with a state issued CHL?

Yes, a Texas private investigator with a valid Concealed Handgun License (CHL) can carry a concealed firearm while on duty. However, they must adhere to all state laws regarding the carrying of firearms, including where they can be carried and any restrictions that may apply. It's important for private investigators to be aware of their specific legal obligations and any limitations related to their professional activities.