§â€‚11-1.20. â€‚Criminal Sexual Assault.
(a)â€‚A person commits criminal sexual assault if that person commits an act of sexual penetration and:
(1)â€‚uses force or threat of force;
(2)â€‚knows that the victim is unable to understand the nature of the act or is unable to give knowing consent;
(3)â€‚is a family member of the victim, and the victim is under 18 years of age; â€‰or
(4)â€‚is 17 years of age or over and holds a position of trust, authority, or supervision in relation to the victim, and the v