### Question
How is the term child abuse defined?


### Answer
The term **child abuse** is defined in *18 U.S.C. § 3509* as the following:

> the physical or mental injury, sexual abuse or exploitation, or negligent treatment of a child

#### Citation:
  - *18 U.S.C. § 3509*
  - Heading: **PART II-CRIMINAL PROCEDURE > CHAPTER 223-WITNESSES AND EVIDENCE**

