On January 14, 2009, Marissa DeVault killed her husband, Dale Harrell, by striking him multiple times on the head with a hammer. It seemed like a simple case of murder, but questions remained. Was Dale Harrell a hapless, innocent victim of a brutal killing, or was this the final act of a desperate woman who had suffered through years of domestic violence? The fact that the incident took place in a middle class suburb of Phoenix, Arizona, with the...