Mo. Rev. Stat. § 589.042

The court or the parole board shall have the authority to require a person who is required to register as a sexual offender under sections 589.400 to 589.425 to give his or her assigned probation or parole officer access to his or her personal home computer as a condition of probation or parole in order to monitor and prevent such offender from obtaining and keeping child pornography or from committing an offense under chapter 566. Such access shall allow the probation or parole officer to view the internet use history, computer hardware, and computer software of any computer, including a laptop computer, that the offender owns.