These criminals are the worst of the worst. Welcome to WatchMojo, and today we’re counting down infamous or dangerous criminals who have been sentenced to serve time in various American max or supermax security facilities, although carceral locations can often change due to transfers and legal proceedings. Our countdown of infamous criminals in maximum security includes Richard Reid, Alex Murdaugh, Dennis Rader, and more! What other criminals could be on this list? Let us know in the comments.

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