Like a puff of smoke, the lackadaisical Rosaria is impossible to pin down. Nevertheless, once she takes on a job, she can be relied on to handle it with the utmost professionalism. "Lazy" is the last word that anyone would use to describe her ruthless interrogations of suspicious individuals. She also possesses exceptional strength and knows the weaknesses of the human body like the back of her hand — and has no reservations about using this knowledge to kill.