A forensic neuropsychologist is preparing an expert witness report for a defendant charged with an impulsive crime of violent manslaughter. The defense argues that the defendant's aggressive outbursts are driven by biological deficits rather than conscious malicious intent.
Outline the methodology and findings of the key research by Raine et al. (1997), and explain how a forensic psychologist could use these findings to argue that brain dysfunction can influence violent criminal behaviour.