When the webmaster of the website "PornMonger" is talking about how ballerina's in costume having sex is a porn genre he says "rule 34, ya know?". He is referring to a popular internet slang and meme topic that states that for any conceivable subject there is pornography of it like children's cartoons, superheros, video games ect. It also covers fan art of typically non-erotic subjects or situations somehow having sexual content or actions.
This episode is bringing attention to New York state's new "revenge porn" law. New York penal code 245.15, "Unlawful dissemination or publication of an intimate image", was signed into law in July of 2019. It states that: "1. A person is guilty of unlawful dissemination or publication of an intimate image when: (a) with intent to cause harm to the emotional, financial or physical welfare of another person, he or she intentionally disseminates or publishes a still or video image of such other person, who is identifiable from the still or video image itself or from information displayed in connection with the still or video image, without such other person's consent, which depicts: (i) an unclothed or exposed intimate part of such other person; or (ii) such other person engaging in sexual conduct, and: (b) such still or video image was taken under circumstances when the person depicted had a reasonable expectation that the image would remain private and the actor knew or reasonably should have known the person depicted intended for the still or video image to remain private, regardless of whether the actor was present when the still or video image was taken." It is a class A misdemeanor and carries a penalty of $1,000 and/or up to one year in jail.
Carisi and Rollins are talking about whether to charge the defendants with misdemeanor harassment or misdemeanor dissemination, while they are both misdemeanors dissemination is a more severe crime. Harassment in the second degree is a Violation and is punishable by a fine of up to $250 and/or 15 days in jail. Harassment in the first degree is a class B misdemeanor and is punishable by a fine of up to $500 and/or up to 90 days in jail. Dissemination of an unlawful surveillance image in the second degree is a class A misdemeanor and punishable by a fine of up to $1,000 and/or up to one year in jail.