Mo. Rev. Stat. § 217.385: Violence or injury to others or property by offender, penalty.

1. No offender shall knowingly commit violence to an employee of the department or to another offender housed in a department correctional center. Violation of this subsection shall be a class B felony.

2. No offender shall knowingly damage any building or other property owned or operated by the department. Violation of this subsection shall be a class D felony.