The criminal drew a gun and pointed it at me.
Here, you may know he is a criminal, or an escaped convict, though one would tend to say :
The robber drew a gun and pointed it at me.
The hijacker drew a gun and...
The mugger drew a gun and..
..that is, use the term appropriate to describe the person with the gun, with regard to the crime being perpetrated.
perpetrate: carry out or commit (a harmful, illegal, or immoral action)
Student or Learner