The Weapon
- Berkowitz was given the name ".44 Caliber Killer" due to his weapon of choice. A .44 caliber Charter Arms Bulldog revolver.
The Killings
- Although his victims varied in age, race, and class, there is a general trend of Berkowitz intending to kill young women.
- It is also noted his killings typically took place at night.
- A number of shootings involved the victims sitting in a parked vehicle late at night.