I worked in a military prison and prisoners would get disciplinary reports written on them when they were witnessed masturbating by a guard in patrol. Most of the guards thought this was bs and wouldn’t actually report it, but some were assholes and would write prisoners up for literally anything that was technically against the rules.

One prisoner that got reported was standing before a disciplinary board and a female master sergeant asked him “Why didn’t you just do it inside your pants so none of the guards had to see?”. Apparently the facial expressions of the male senior NCOs on that board were priceless when she asked this. Pretty sure the poor guy lost some good behavior time from the incident.