A person (A) commits an offence if—
for the purpose of obtaining sexual gratification, he intentionally causes another person (B) to watch a third person engaging in an activity, or to look at an image of any person engaging in an activity,
the activity is sexual,
B agrees to watch or look because of an inducement offered or given, a threat made or a deception practised by A for the purpose of obtaining that agreement,
B has a mental disorder, and
A knows or could reasonably be expected to know that B has a mental disorder.
A person guilty of an offence under this section is liable—
on summary conviction, to imprisonment for a term not exceeding 6 months or a fine not exceeding the statutory maximum or both;
on conviction on indictment, to imprisonment for a term not exceeding 10 years.