If you take a look at Louis Theroux documentary, "A Place for Paedophiles", you'll quickly see that the US don't just put sex offenders in prison, they keep the

If you take a look at Louis Theroux documentary, "A Place for Paedophiles", you'll quickly see that the US don't just put sex offenders in prison, they keep them there (in facilities that are technically not a prison, because, well, lawyers) without judgement and without a known release date. Spoiler alert: They never get released.