It's illegal to have sex with underage kids.
Clarke is running an after school art program for underprivileged children.
Clarke wants to teach one child to draw anatomy.
Clarke brings in anatomical figures and gives the child one to use as a reference.
Clarke brings a child into his office and strips nude, asking the child to draw him, then has sex with the child.
The child begins to understand how to draw anatomy and is appreciative towards Clarke for his gift.
The child is traumatized, suffers long term damage, and reports Clarke for sexual abuse.