Breen went to Stoval's house, and when she threatened to expose Breen's affair, he killed her, by suffocating her with a pillow, and burned down her house, making it look like she died falling asleep while smoking a cigarette.
Breen went to Stoval's house. He killed her. This was by. He was suffocating her with a pillow. He was making it look like she died falling asleep while smoking a cigarette. He burned down her house. He was making it look like she died falling asleep while smoking a cigarette. She threatened to expose Breen's affair.