In 1983, Dustin Tillman's family--his parents and his aunt and uncle--were murdered in a shocking massacre. His foster brother, Rusty, was convicted of the crime, in a trial that was steeped in the "Satanic Cult" paranoia of the 1980s. Thirty years later, Rusty's conviction is overturned, and suddenly Dustin, now a psychologist, must question whether his testimony that imprisoned his brother was accurate. When one of his patients, an ex-cop, gets him deeply involved in a series of unsolved murders, Dustin's happy suburban life starts to unravel, as his uncertainties about his past and present life begin to merge.

"Two sensational unsolved crimes--one in the past, another in the present--are linked by one man's memory and self-deception in this chilling novel of literary suspense from National Book Award finalist Dan Chaon. "We are always telling a story to ourselves, about ourselves," Dustin Tillman likes to say. It's one of the little mantras he shares with his patients, and it's meant to be reassuring. But what if that story is a lie? A psychologist in suburban Cleveland, Dustin is drifting through his forties when he hears the news: His adopted brother, Rusty, is being released from prison. Thirty years ago, Rusty received a life sentence for the massacre of Dustin's parents, aunt, and uncle. The trial came to symbolize the 1980s hysteria over Satanic cults; despite the lack of physical evidence, the jury believed the outlandish accusations Dustin and his cousin made against Rusty. Now, after DNA analysis has overturned the conviction, Dustin braces for a reckoning. Meanwhile, one of Dustin's patients gets him deeply engaged in a string of drowning deaths involving drunk college boys. At first Dustin dismisses talk of a serial killer as paranoid thinking, but as he gets wrapped up in their amateur investigation, Dustin starts to believe that there's more to the deaths than coincidence. Soon he becomes obsessed, crossing all professional boundaries--and putting his own family in harm's way. From one of today's most renowned practitioners of literary suspense, Ill Will is an intimate thriller about the failures of memory and the perils of self-deception. In Dan Chaon's nimble, chilling prose, the past looms over the present, turning each into a haunted place."-- Provided by publisher