✃make some fake blood or use red food coloring. get it under your fingernails so it stains, making it look like you’ve been out last night catching fresh meat.
✃speak either slow and methodically or nervously like you’re trying to hide something. this can raise suspicion over you and boost your unsettling aura.
✃doodle knives and sharp objects in front of others. doodle maps of buildings or houses and write out your murder and escape plan. Make sure to not use any real names or locations in case these get into the hands of the authorities.
✃emphasize your eyes. Use some eyeshadow to make your eye bags more prominent, giving you a more gaunt and ominous vibe. Like you’ve been staying up for days yearning to plunge that blade into someone..