Unless they have evidence that we dont have (like an entry wound in Martins back or something), the only prosecution strategy I could see is trying to invalidate Zimmermans account. Since there does not seem to be any witnesses that contradict his account, how exactly are they going to do that?
Jury intimidation.
59 posted on 04/11/2012 12:49:45 PM PDT by Slings and Arrows
(You can't have Ingsoc without an Emmanuel Goldstein.)