(a) The Fund shall pay special death benefits, as provided in this title, for an officer or a civilian employee of the Department whose death is proximately caused by injuries sustained or by harm inflicted on the body in the course of the performance of the officer’s or employee’s duties.

(b) The Fund shall pay death benefits, as provided in this title, for an active officer or a civilian employee of the Department whose death is not proximately caused by injuries sustained or by harm inflicted on the body in the course of the performance of the officer’s or employee’s duties.