The story of a mother of two called Nikki Addimando, who was admitted to police that she shot and killed her partner, beloved gymnastics coach Chris Grover, in their home. But did she pull the trigger in self-defense after enduring years of physical and sexual abuse at the hands of Grover, or did she stage the crime scene and murder her partner in cold blood?
David Muir
Nikki Addimando
Chris Grover
