28 CFR § 511.11
Prohibited activities
July 24, 2020
(a) “Prohibited activities” include any activities that could jeopardize the Bureau's ability to ensure the safety, security, and orderly operation of Bureau facilities, and protect the public, whether or not such activities are criminal in nature.
(b) Examples of “prohibited activities” include, but are not limited to: Introducing, or attempting to introduce, prohibited objects into a Bureau facility or upon Bureau grounds; assisting an escape; and any other conduct that violates criminal laws or is prohibited by federal regulations or Bureau policies.