- There were stains of "Margarita", an alcohol-based drink, in the victim's dress. So, the killer likes this beverage.
- Police officers found an unfinished game of Mahjong at the crime scene which means that the killer plays this game.
- The crime scene smelled like cigarettes so we believe the killer smokes.
- The forensic team checked the wound and they say that the killer is at least 6'0 ft tall and older than 50 years.