Does Arizona's statutory scheme, which excludes sexual motivation as an element of child molestation, unconstitutionally shift the burden of proof on the essential element of sexual motivation to the accused in contravention of an accused's guaranteed Due Process rights under the 14 Amendment to the United States Constitution?

Does Arizona's statutory scheme, which excludes sexual motivation as an element of child molestation, unconstitutionally shift the burden of proof on the essential element of sexual motivation to the accused in contravention of an accused's guaranteed Due Process rights under the 14th Amendment to the United States Constitution?