I have a conversion van that I can make it impossible to see into the back. Is it illegal to have sex in there when no one can see? It wouldn't be indecent exposure, could it be public fornication even if it's in private? Really curious about this and look forward to hopefully getting an answer. Originally Posted by 420olongapoI think depending if Van has curtains. Also there a old saying "If the Van a rocking don't come a nocking".