Who is Lieutenant Carreon from Dogeaters and what is their importance?

Lieutenant Carreon is General Ledesma's protégé. Completely humorless, he is unable or unwilling to mask his disgust for Senator Avila while two are on the golf course together. In the play, Carreon is the gunman who murders Senator Avila. After the murder, Carreon is central to General Ledesma's consolidation of power. He gleans information from Uncle about the identity of the one witness to the assassination. He also takes part in the interrogation and gang-rape of Daisy Avila.