8.164 Aggravated Sexual Abuse (18 U.S.C. Sec. 2241(a)) is a federal statute that makes it a crime to knowingly cause another person to engage in a sexual act, either by force or by threat of injury or death. This statute defines aggravated sexual abuse as any offense involving sexual abuse (as defined by 18 U.S.C. Sec. 2242) by a person who is in a position of authority over the victim or by a person who uses force, the threat of force, or other forms of coercion to compel the victim to engage in the sexual act. There are three types of 8.164 Aggravated Sexual Abuse (18 U.S.C. Sec. 2241(a)): 1) Aggravated Sexual Abuse by Force: This offense involves the use of physical force to compel the victim to engage in sexual acts. 2) Aggravated Sexual Abuse by Threat of Injury or Death: This offense involves the threat of physical injury or death to compel the victim to engage in sexual acts. 3) Aggravated Sexual Abuse by Coercion: This offense involves the use of psychological or emotional coercion to compel the victim to engage in sexual acts.