Sexual assault is defined under section 22.011 of the Penal Code. It is generally a second-degree felony. The basic definition of the crime is the knowing or intentional.
penetration of the sexual organ or anus of another person without that person’s consent;
penetration without consent of the mouth of the other person by the sexual organ of the actor; or
causing a person’s sexual organ to contact or to penetrate the sexual organ, the mouth or the anus of any other person, without consent.