Descriptions & Equivalents
- assassin
- blood-thirsty
- cold-blooded
- consumed by the desire to kill
- donned body armor before entering the building
- executioner
- felon on the loose
- homicidal maniac
- hunter
- man with a gun
- mass murderer
- no compassion
- remorseless
- ripper
- serial killer
- slasher
- terrorist
- went on a rampage
