2023, unstable man, cold blood, shocking, very serious, hong kong, knife, stabbed 25 times, mental illness, spiritual fitness, mall, random, security guard, July, john, daily lessons, trigger warning, shopping, back, woman, riot shields, friend pulls her, evil, waits for police, two young women, died, kitchen knife, attack, stabbed, bystanders, blood, drags, carry your tools, empty handed skills, heinous, did nothing, woman warrior, unarmed