Both Uses

perpetrator
in
The Narrative of the Life of Frederick Douglass
(Edited)

It was committed in the presence of slaves, and they of course could neither institute a suit, nor testify against him; and thus the guilty perpetrator of one of the bloodiest and most foul murders goes unwhipped of justice, and uncensured by the community in which he lives.
Chpt 4 *

perpetrator = someone who did something wrong or illegal
His life was devoted to planning and perpetrating the grossest deceptions.
Chpt 10

perpetrating = doing something wrong or illegal

Definitions:

(1) (perpetrator)
someone who has does something wrong -- usually something illegal
(2) (meaning too rare to warrant focus)