(a) A court may enjoin or limit a person from contact with a child if the attorney general establishes by a preponderance of the evidence that the person


(1) has sexually abused a child;


(2) has physically abused a child; or


(3) has engaged in conduct that constitutes a clear and present danger to the mental, emotional, or physical welfare of a child.


(b) This section does not limit the authority of the attorney general or the court to act to protect a child.