вообще вся эта хуйня про секс оффендеров читается, как часть антиутопии и дешевой фантастики:

As part of his probation, convicted sex offender David McLaurin underwent “plethysmograph examinations,” in which a device was “attached to the subject’s penis” and “the subject is then required to view pornographic images or videos while the device monitors blood flow to the penis and measures the extent of any erection that the subject has.”