In case you missed GameTrailers TV on Friday here's one of the new clips they debuted from
Resistance: Fall of Man 2. In this clip Hale and a group of Sentinels (other soldiers who are resistant to Chimera infection) battle a group of Grim's in downtown Chicago. The Grims are people who are half-way between. conversion from humans to Chimeran and aren't exactly the most varied when it comes to their attacks.