He must have realized his precious girlfriend, the one he doted on and protected, had thrown all the blame on him. He was probably angry and disappointed, and afraid of taking full responsibility, so he scrambled to defend himself.
Sure enough, Mr. Morrison, who had been arguing stubbornly with the police, looked stunned when he heard what Captain Crowe said. He immediately blurted out, "It wasn't me! I didn't do it! She's framing me! You police can't just pin everything on me without investigating! She doesn't have any history of mental illness. She's lying!"
Seeing Mr. Morrison scramble to defend himself was a stark contrast to his earlier stubborn refusal to cooperate.
He might have genuinely liked his girlfriend, but in reality, he loved himself more. He used her and her emotions to get rid of his two children, freeing himself from future child support payments and the worries of their eventual marriages.
