KUALA LUMPUR: The teenagers who savagely assaulted 18-year-old student T. Nhaveen may have been enboldened by pack mentality. Criminologist and psychologist Dr Geshina Ayu Mat Saat said since they were in a group, it might have “diluted” the guilt felt by each attacker. “When they are in a pack, these boys get verbal and physical … More Expert: Pack mentality emboldens boys to bully