The Public Confession Comes Out of Nowhere

Andy was already cleared as a suspect in this murder back in the late 90s. Andy has been watching his sister Nicole's case languish for years and years. It turns out is that his sister's body will finally be exhumed and DNA tested after having never no DNA had ever been collected in 1995. He was like, I'm going to falsely confess so people will fucking pay attention to this again.