can i report someone’s revenge porn?

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i was going through my instagram stories to discover that someone on my feed has posted a screenshot of a young naked girl and tagged her in it.

in my state it’s a class H felony and i highly doubt she’ll report it to the police because she’s one of those “boss b!tch” type girls and can handle it on their own. he’s since deleted that, and posted his snapchat so people can add him and watch the whole sex tape video. this is online “revenge” porn. i don’t even know if they’ve dated etc but regardless of what anyone’s done to anyone- this is NOT okay.