23. Ill Will by Dan Chaon
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Thirty years after his adopted brother, Rusty, was convicted of murdering his parents, aunt and uncle, psychologist Dustin finds out that Rusty’s conviction was overturned by DNA evidence and he’s being released from prison.
Rattled and wrapped up in a paranoid obsession with a series of drunk college students who drowned, Dustin swiftly begins to spin out of control.