### Question
What is the definition of without that individual's knowledge?


### Answer
The definition of **without that individual's knowledge** is as follows in *21 U.S.C. § 841*:

> that the individual is unaware that a substance with the ability to alter that individual's ability to appraise conduct or to decline participation in or communicate unwillingness to participate in conduct is administered to the individual

#### Citation:
  - *21 U.S.C. § 841*
  - Heading: **CHAPTER 13-DRUG ABUSE PREVENTION AND CONTROL > SUBCHAPTER I-CONTROL AND ENFORCEMENT > Part D-Offenses and Penalties**

