IANAL, but I can speak from personal experience that Faith's history and unreliability has no factor in this revenge porn. It's a black/white case, and it appears simple that Ethan released the gross video.
I wouldn't expect Ethan faces any jail time from this, however. Similar cases I've seen have led to a small fine or mandatory counseling, slap on the wrist shit. This may be different since Ethan has legal trouble history and Faith is a clearly vulnerable young girl with major mental problems to begin with, but I still doubt it.