I used photographic elements when I started this image, only the the heads and the background are 3D, the suits are modified images I shot before.Also, the hands, I added the pushblade and the blood later in PS/XSI.
I made a matte painting for the dead bodies, instead of making them in 3D..
On the early version of this image Lynch ( dude on the right ) was also angry, here is a test I made when I started :



And here is the test for his final expression :



HIGHRES :
http://www.tofy.hu/szemet/preview_small.jpg