TV series name? I cant remember it!!!?!

Ok, this is sad i know but there was a TV show on a few years ago!. The Plot of this show was where there was an elite group of people that went out protecting the world/city from monsters (vampires, zombies, demons ect!.!.!.) They had these guns that shot all kinds of different rounds (freeze rounds, fire, ect!.!.!.) and there was a midget like character that could only be killed by a diamond encrusted blade!.
It would have been on the Sci-fi channel, and it was kind of like the X-files!. Thanks, i know there isn't much to go on!.!.!.Www@Enter-QA@Com

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