I Heard that Song Before

From Elaine Pasquali
author: Clark, Mary Higgins
I Heard that Song Before
As always, Mary Higgins Clark does not disappoint.  This mystery focuses on three deaths: Susan, Peter Carrington’s friend, Grace, Peter’s first
wife, and the Carrington’s grounds keeper. Shortly after his second marriage to Kay Lansing, who is the deceased grounds keeper’s daughter, Peter is arrested for the crimes. Reinforcing the finger of guilt pointing at Peter is his sleepwalking. Could he have unknowingly committed the murders while sleepwalking? Kay is sure Peter is innocent and, endangering her own life, she sets about to prove it.